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Search: id:A097436
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| A097436 |
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Value of C in y = x^2+7x+C such that y is prime for all x = 0 to 4. |
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+0
2
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| 23, 29, 53, 149, 233, 263, 569, 743, 2909, 4253, 5639, 5783, 6983, 7529, 7673, 7919, 10133, 10313, 11243, 13469, 13679, 14723, 14939, 15269, 15383, 19373, 19709, 19919, 21569, 26693, 32603, 33569, 39089, 39839, 41213, 42179, 42443, 43943
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OFFSET
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1,1
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EXAMPLE
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a(3) = 53: y = x^2+7x+53.
If x = 0; y = 0+0+53 = 53, which is prime.
If x = 1; y = 1+7+53 = 61, which is prime.
If x = 2; y = 4+14+53 = 71, which is prime.
If x = 3; y = 9+21+53 = 83, which is prime.
If x = 4; y = 16+28+53 = 97, which is prime.
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CROSSREFS
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Adjacent sequences: A097433 A097434 A097435 this_sequence A097437 A097438 A097439
Sequence in context: A102904 A108249 A045120 this_sequence A063980 A046124 A157677
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KEYWORD
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nonn
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AUTHOR
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Ray G. Opao (1260(AT)email.com), Aug 22 2004
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