1,1

a(n) is also A154809(n) written in base 2.

Cf. A029742, A057148, A154809.

Sequence in context: A034088 A124252 A121030 this_sequence A099820 A167502 A135652

Adjacent sequences: A154807 A154808 A154809 this_sequence A154811 A154812 A154813

easy,more,nonn,base

Omar E. Pol (info(AT)polprimos.com), Jan 24 2009