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A097434
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Value of C in y = x^2+5x+C such that y is prime for all x = 0 to 3.
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1
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5, 17, 23, 47, 83, 167, 227, 257, 443, 563, 593, 677, 1277, 1283, 1613, 1973, 2333, 2837, 2903, 3533, 5393, 5843, 6197, 6263, 6977, 7523, 8087, 8363, 11807, 12473, 12893, 13463, 13907, 14537, 14717, 15077, 15263, 15377, 17093, 17327, 19913
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| a(2) = 17: y = x^2+5x+17.
If x = 0; y = 0+0+17 = 17, which is prime.
If x = 1; y = 1+5+17 = 23, which is prime.
If x = 2; y = 4+10+17 = 31, which is prime.
If x = 3; y = 9+15+17 = 41, which is prime.
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CROSSREFS
| Sequence in context: A154632 A141275 A145043 * A106012 A063588 A117635
Adjacent sequences: A097431 A097432 A097433 * A097435 A097436 A097437
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KEYWORD
| nonn
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AUTHOR
| Ray G. Opao (qzxpqbp(AT)gmail.com), Aug 22 2004
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