1,2

Fermi-Dirac analog of A037274 (terms of A050376 are Fermi-Dirac primes).

Hiroaki Yamanouchi, Table of n, a(n) for n = 1..100

We have 40 = 2*4*5 -> 245 = 5*49 -> 549 = 9*61 -> 961 is in A050376. So a(40) = 961.

Cf. A037274, A050376, A084318.

Sequence in context: A037400 A080695 A239448 * A242799 A281588 A088865

Adjacent sequences: A248710 A248711 A248712 * A248714 A248715 A248716

nonn,base

Vladimir Shevelev, Oct 12 2014

a(8) and a(34) corrected by Hiroaki Yamanouchi, Oct 13 2014

approved