A256219 Indices of prime terms in A121216.

2, 3, 4, 7, 8, 11, 14, 15, 18, 26, 29, 34, 38, 41, 42, 46, 56, 57, 61, 65, 69, 73, 80, 84, 93, 96, 97, 101, 104, 108, 124, 128, 132, 136, 144, 145, 153, 160, 161, 169, 173, 177, 185, 188, 192, 196, 204, 220, 221, 224, 225, 236, 237, 241, 253

Offset: 1

Author

N. J. A. Sloane, Mar 28 2015

Keywords

• nonn

Comments

It would be nice to have a definition that is independent of A121216.

Links

• Rémy Sigrist, Table of n, a(n) for n = 1..10000
• Rémy Sigrist, PARI program

Crossrefs

Cf. A121216, A256399.

Programs

PARI

See Links section.