A031919 a(n) = prime(10*n-8).

3, 37, 79, 131, 181, 239, 293, 359, 421, 479, 557, 613, 673, 743, 821, 881, 953, 1021, 1091, 1163, 1231, 1301, 1399, 1459, 1531, 1601, 1667, 1747, 1831, 1907, 1997, 2069, 2137, 2237, 2297, 2377, 2441, 2543, 2633, 2693, 2753, 2837, 2917

Offset: 1

Author

Jeff Burch

Keywords

• nonn

Links

• Ivan Panchenko, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A000040, A017293.

Programs

Magma

[ &+[(NthPrime(10*n-8))]: n in [1..1000] ]; // Vincenzo Librandi, Apr 08 2011

PARI

a(n) = prime(10*n-8); \\ Michel Marcus, May 04 2020

Formula

a(n) = A000040(A017293(n-1)). - Michel Marcus, May 04 2020