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Search: id:A161608
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| A161608 |
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Primes of the form : n!+n^2+n+1. |
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+0
1
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| 2, 19, 151, 355687428096307, 620448401733239439360601
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OFFSET
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1,1
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COMMENT
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3!+3^2+3+1=19,.. n : 0,3,5,17,24,314,... Next term: 20659137880503071791380...00000000000098911(650 characters)
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MATHEMATICA
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lst={}; Do[p=n!+n^2+n+1; If[PrimeQ[p], AppendTo[lst, p]], {n, 0, 6!}]; lst
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CROSSREFS
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Sequence in context: A055518 A089364 A166298 this_sequence A037748 A037629 A037755
Adjacent sequences: A161605 A161606 A161607 this_sequence A161609 A161610 A161611
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KEYWORD
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nonn,uned
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 14 2009
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