1,2

Table of n, a(n) for n=1..16.

Cf. A215728, A045875, A215732.

Sequence in context: A197381 A195454 A154400 * A202953 A088661 A127196

Adjacent sequences: A215731 A215732 A215733 * A215735 A215736 A215737

nonn,base,more

V. Raman, Aug 22 2012

a(13)-a(14) from Giovanni Resta, Apr 19 2016

a(15)-a(16) from Bert Dobbelaere, Feb 13 2019

approved