1,1

Each prime number occurs in this sequence, but only for a finite number of times.

Antti Karttunen, Table of n, a(n) for n = 1..4994

Hans Havermann, 70000 terms with their associated A277319 numbers

a(n) = A048675(A277319(n)).

Cf. A000040, A048675, A277319.

Sequence in context: A000358 A032244 A166588 * A262365 A063988 A198453

Adjacent sequences: A277318 A277319 A277320 * A277322 A277323 A277324

nonn

Antti Karttunen, Oct 11 2016

approved