1,1

Table of n, a(n) for n=1..12.

Subsequence of A268405.

Sequence in context: A116259 A158256 A269220 * A302135 A104921 A202721

Adjacent sequences: A268403 A268404 A268405 * A268407 A268408 A268409

nonn

Zak Seidov, Feb 04 2016

approved