1,1

Table of n, a(n) for n=1..70.

2, 3(=3=1+2*1), 11(>8=2+3*2), 7(=7=3+1*4), 37(>32=4+7*4), etc.

Cf. A000040, A156672.

Sequence in context: A084572 A040105 A319859 * A134694 A121606 A166164

Adjacent sequences: A156765 A156766 A156767 * A156769 A156770 A156771

nonn,base,less

Juri-Stepan Gerasimov, Feb 15 2009

Corrected by R. J. Mathar, Feb 26 2009

approved