1,1

We conjecture that a(n)>0.

Table of n, a(n) for n=1..8.

Cf. A246501, A242719, A242720.

Sequence in context: A041617 A159534 A303922 * A281248 A195616 A126603

Adjacent sequences: A246499 A246500 A246501 * A246503 A246504 A246505

nonn,more

Vladimir Shevelev, Aug 27 2014

More terms from Peter J. C. Moses, Aug 27 2014

approved