1,1

Sequence A159741 written in base 2.

a(n) = 1000(10^n-1)/9.

Cf.: A159741.

Sequence in context: A017271 A017511 A017643 this_sequence A004632 A117690 A029799

Adjacent sequences: A161767 A161768 A161769 this_sequence A161771 A161772 A161773

nonn,easy,base

Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Jun 18 2009

Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Oct 12 2009