Sequences

a(n) = 2i + 1 where i is the least index such that A039508(i) = n or 0 if there is none.

T(n,1..i) are attractors in '3x+(2n+1)' problem.

2i + 1 such that A039508(i) = 2.

2i + 1 such that A039508(i) = 3.

Conjecturally, largest attractor in '3x+(2n+1)' problem.

Numbers whose base-12 representation has the same nonzero number of 2's and 5's.

Numbers whose base-12 representation has the same nonzero number of 2's and 6's.

Numbers whose base-12 representation has the same nonzero number of 2's and 7's.

Numbers whose base-12 representation has the same nonzero number of 2's and 8's.

Numbers whose base-12 representation has the same nonzero number of 2's and 9's.

Numbers whose base-12 representation has the same nonzero number of 2's and 10's.

Numbers whose base-12 representation has the same nonzero number of 2's and 11's.

Numbers whose base-12 representation has the same nonzero number of 3's and 4's.

Numbers whose base-12 representation has the same nonzero number of 3's and 5's.

Numbers whose base-12 representation has the same nonzero number of 3's and 6's.

Numbers whose base-12 representation has the same nonzero number of 3's and 7's.

Numbers whose base-12 representation has the same nonzero number of 3's and 8's.

Numbers whose base-12 representation has the same nonzero number of 3's and 9's.

Numbers whose base-12 representation has the same nonzero number of 3's and 10's.

Numbers whose base-12 representation has the same nonzero number of 3's and 11's.

Numbers whose base-12 representation has the same nonzero number of 4's and 5's.

Numbers whose base-12 representation has the same nonzero number of 4's and 6's.

Numbers whose base-12 representation has the same nonzero number of 4's and 7's.

Numbers whose base-12 representation has the same nonzero number of 4's and 8's.

Numbers whose base-12 representation has the same nonzero number of 4's and 9's.

Numbers whose base-12 representation has the same nonzero number of 4's and 10's.

Numbers whose base-12 representation has the same nonzero number of 4's and 11's.

Numbers whose base-12 representation has the same nonzero number of 5's and 6's.

Numbers whose base-12 representation has the same nonzero number of 5's and 7's.

Numbers whose base-12 representation has the same nonzero number of 5's and 8's.

Numbers whose base-12 representation has the same nonzero number of 5's and 9's.

Numbers whose base-12 representation has the same nonzero number of 5's and 10's.

Numbers whose base-12 representation has the same nonzero number of 5's and 11's.

Numbers whose base-12 representation has the same nonzero number of 6's and 7's.

Numbers whose base-12 representation has the same nonzero number of 6's and 8's.

Numbers whose base-12 representation has the same nonzero number of 6's and 9's.

Numbers whose base-12 representation has the same nonzero number of 6's and 10's.

Numbers whose base-12 representation has the same nonzero number of 6's and 11's.

Numbers whose base-12 representation has the same nonzero number of 7's and 8's.

Numbers whose base-12 representation has the same nonzero number of 7's and 9's.

Numbers whose base-12 representation has the same nonzero number of 7's and 10's.

Numbers whose base-12 representation has the same nonzero number of 7's and 11's.

Numbers whose base-12 representation has the same nonzero number of 8's and 9's.

Numbers whose base-12 representation has the same nonzero number of 8's and 10's.

Numbers whose base-12 representation has the same nonzero number of 8's and 11's.

Numbers whose base-12 representation has the same nonzero number of 9's and 10's.

Numbers whose base-12 representation has the same nonzero number of 9's and 11's.

Numbers whose base-12 representation has the same nonzero number of 10's and 11's.

Numbers whose base-4 representation has the same number of 0's, 1's and 2's.

Numbers whose base-4 representation has the same number of 0's, 1's and 3's.