A204231 Position of primes in A127345.

1, 2, 3, 4, 7, 10, 12, 13, 14, 19, 23, 27, 33, 37, 41, 42, 44, 49, 59, 61, 69, 72, 76, 83, 88, 89, 111, 121, 126, 127, 134, 137, 143, 144, 146, 149, 159, 163, 170, 177, 178, 186, 189, 195, 197, 198, 204, 208, 214, 217, 220, 224, 228, 233, 234, 236, 243, 247, 248, 249, 276, 278, 288, 294, 295, 335, 338, 353, 354, 380, 382, 384, 395, 401, 402, 408, 411, 427

Offset

1,2

Links

Zak Seidov, Table of n, a(n) for n = 1..1000

Formula

A127346(n) = A127345(a(n)).

Prog

(PARI) p=2; q=3; n=0; forprime(r=5, 1e3, n++; if(isprime(p*q+p*r+q*r), print1(n", ")); p=q; q=r) \\ Charles R Greathouse IV, Jan 13 2012

Crossrefs

Cf. A127345, A127346.

Sequence in context: A366567 A139759 A030292 * A135419 A051914 A104519

Adjacent sequences: A204228 A204229 A204230 * A204232 A204233 A204234

Keyword

nonn

Author

Zak Seidov, Jan 13 2012

Status

approved