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A190800
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Primes p such that the polynomial x^2 + x + p generates only primes for x = 1..8.
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13
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11, 17, 41, 844427, 51448361, 51867197, 85776137, 86966771, 93685301, 97122197, 107599757, 113575727, 118136267, 122983031, 180078317, 232728647, 316973621, 483040757, 564537761, 749930717, 840472307, 901288517, 960959381, 1278189947, 1559839991, 1696818647, 1761702947, 1829187287, 2251028567
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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Select[Prime[Range[110*10^6]], AllTrue[Table[x^2+x+#, {x, 8}], PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, Jul 03 2020 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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