a(1) = 2; to get a(n), n >= 2, convert a(n-1) from base 3 to base 2.
A008560
a(1) = 2; to get a(n), n >= 2, convert a(n-1) from base 3 to base 2.
Terms
- a(0) =2a(1) =10a(2) =11a(3) =100a(4) =1001a(5) =11100a(6) =1110101a(7) =10000100111
External references
- oeis: A008560