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A204231 Position of primes in A127345. 3
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 (list; graph; refs; listen; history; text; internal format)
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: A347873 A139759 A030292 * A135419 A051914 A104519

Adjacent sequences:  A204228 A204229 A204230 * A204232 A204233 A204234

KEYWORD

nonn

AUTHOR

Zak Seidov, Jan 13 2012

STATUS

approved

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Last modified September 25 13:37 EDT 2021. Contains 347654 sequences. (Running on oeis4.)