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Search: id:A088548
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| A088548 |
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Primes of the form x^4 + x^3 + x^2 + x + 1. |
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+0
1
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| 5, 31, 2801, 22621, 30941, 88741, 245411, 292561, 346201, 637421, 732541, 837931, 2625641, 3500201, 3835261, 6377551, 15018571, 16007041, 21700501, 28792661, 30397351, 35615581, 39449441, 48037081, 52822061, 78914411, 97039801
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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lst={}; Do[a=1+n+n^2+n^3+n^4; If[PrimeQ[a], AppendTo[lst, a]], {n, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 02 2009]
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PROGRAM
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(PARI) polypn(n, p) = { for(x=1, n, if(p%2, y=2, y=1); for(m=1, p, y=y+x^m; ); if(isprime(y), print1(y", ")); ) }
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CROSSREFS
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Sequence in context: A135744 A020514 A059301 this_sequence A062631 A156027 A100840
Adjacent sequences: A088545 A088546 A088547 this_sequence A088549 A088550 A088551
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KEYWORD
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nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Nov 17 2003
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