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A123076
Numbers n such that p=1+2n+3n^2+4n^3 is prime.
1
4, 12, 14, 18, 22, 24, 28, 34, 52, 62, 64, 78, 94, 104, 110, 118, 122, 132, 140, 144, 154, 158, 160, 178, 194, 204, 214, 218, 220, 234, 258, 262, 270, 272, 290, 294, 312, 314, 322, 344, 368, 370, 372, 382, 388, 424, 430, 440, 442, 454, 482, 494, 498, 518, 542
OFFSET
1,1
COMMENTS
Corresponding p's are 313, 7369, 11593, 24337, 44089, 57073, 90217, 160753, 570649, 964969, 1060993, 1916617, 3349033, 4532113, 5360521, 6614137, 7308289, 9252409, 11035081 A123059.
PROG
(PARI) lista(m) = {for (n=1, m, if (isprime(1 + 2*n + 3*n^2 + 4*n^3), print1(n, ", ")); ); } \\ Michel Marcus, Apr 19 2013
CROSSREFS
Sequence in context: A052339 A310562 A358577 * A310563 A260257 A256706
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Sep 27 2006
STATUS
approved