A097436 - OEIS

A097436

Value of C in y = x^2+7x+C such that y is prime for all x = 0 to 4.

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

1,1

LINKS

Table of n, a(n) for n=1..38.

EXAMPLE

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.

CROSSREFS

Sequence in context: A232725 A045120 A174260 * A063980 A046124 A157677

Adjacent sequences: A097433 A097434 A097435 * A097437 A097438 A097439

KEYWORD

nonn

AUTHOR

Ray G. Opao, Aug 22 2004

STATUS

approved