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Search: id:A114366
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| A114366 |
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Smallest prime in kx^3+x+2 is prime. |
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+0
1
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| 3, 5, 7, 167, 11, 13, 17, 19, 491, 23, 599, 653, 29, 31, 21881, 4007, 37, 977, 41, 43, 141767, 47, 15787, 1301, 53, 1409, 71887, 59, 61, 7507, 7757, 67, 1787, 71, 73, 1949, 2003, 79, 2111, 83, 276767, 2273, 89, 2381, 11257, 67079, 97, 12007, 101, 103, 12757
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Primes exist in this sequence for all k. If x is allowed to be 0, then we get the sequence 2,2,2,2,2,2,...
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PROGRAM
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(PARI) g2(n, p) = for(k=1, n, for(x=1, n, y=k*x^3+x+p; if(isprime(y), print1(y", "); break)))
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CROSSREFS
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Sequence in context: A132287 A046201 A128344 this_sequence A088092 A082756 A068832
Adjacent sequences: A114363 A114364 A114365 this_sequence A114367 A114368 A114369
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KEYWORD
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easy,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Feb 09 2006
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