2,1

Table of n, a(n) for n=2..58.

Cf. A280547, A281996.

Sequence in context: A164558 A128368 A050089 * A125571 A187023 A084738

Adjacent sequences: A282171 A282172 A282173 * A282175 A282176 A282177

nonn

Robert Price, Feb 07 2017

approved