A079779 a(n) = smallest prime > n*prime(n).

3, 7, 17, 29, 59, 79, 127, 157, 211, 293, 347, 449, 541, 607, 709, 853, 1009, 1103, 1277, 1423, 1543, 1741, 1913, 2137, 2437, 2633, 2789, 2999, 3163, 3391, 3943, 4201, 4523, 4729, 5227, 5437, 5813, 6197, 6521, 6947, 7349, 7603, 8219, 8501, 8867, 9157, 9923

Offset: 1

Author

Amarnath Murthy, Feb 03 2003

Keywords

• nonn

Comments

a(n) is the smallest prime > A079780(n).

Crossrefs

Cf. A033286, A079780, A151800.

Programs

Maple

seq(nextprime(n*ithprime(n)),n=1..40);

PARI

for(n=1, 47, print1(nextprime(n*prime(n)+1), ", "))

Formula

a(n) = A151800(A033286(n)). - Michel Marcus, Aug 31 2019

Extensions

More terms from Mark Hudson (mrmarkhudson(AT)hotmail.com) and Klaus Brockhaus, Feb 04 2003