1,1

Amiram Eldar, Table of n, a(n) for n = 1..109 (calculated from the b-file at A097942)

a(n) = A020639(A097942(n) + 1). - Amiram Eldar, Jul 08 2019

Cf. A020639, A097942.

Sequence in context: A323704 A272202 A244609 * A113222 A060444 A002587

Adjacent sequences: A209192 A209193 A209194 * A209196 A209197 A209198

nonn

N. J. A. Sloane, Mar 05 2012

More terms from Amiram Eldar, Jul 08 2019

approved