a(1)=2. a(n) = the smallest positive multiple of a(n-1) that is > a(n-1) and has the same number of 0's as 1's in its binary representation.
A143147
a(1)=2. a(n) = the smallest positive multiple of a(n-1) that is > a(n-1) and has the same number of 0's as 1's in its binary representation.
Terms
- a(0) =2a(1) =10a(2) =50a(3) =150a(4) =3150a(5) =9450a(6) =141750a(7) =850500a(8) =11056500a(9) =154791000a(10) =773955000a(11) =41019615000
External references
- oeis: A143147