1,1

A subsequence of A156151.

a(n) = A000040(A156149(n))

(PARI) p=c=0; until(0, until( isprime(c++), p=nextprime(p+1)); (p+2)%c & next; print1( p", "))

Cf. A156153.

Sequence in context: A111675 A142495 A100728 this_sequence A125419 A138440 A161347

Adjacent sequences: A156147 A156148 A156149 this_sequence A156151 A156152 A156153

hard,more,nonn

M. F. Hasler (MHasler(AT)univ-ag.fr), Feb 04 2009