If any even power of 2 ends with k 1's and 6's, they must be the first k terms of this sequence in reverse order.
A023406
If any even power of 2 ends with k 1's and 6's, they must be the first k terms of this sequence in reverse order.
Terms
- a(0) =6a(1) =1a(2) =6a(3) =1a(4) =1a(5) =1a(6) =6a(7) =1a(8) =6a(9) =1a(10) =6a(11) =6a(12) =1a(13) =6a(14) =6a(15) =6a(16) =6a(17) =6a(18) =6a(19) =1a(20) =6a(21) =1a(22) =1a(23) =1a(24) =6a(25) =6a(26) =6a(27) =6a(28) =6a(29) =6
External references
- oeis: A023406