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Search: id:A131527
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| A131527 |
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a(n) = 4*(n^1 + 1!)*(n^2 + 2!)*(n^3 + 3!)*(n^4 + 4!)*(n^5 + 5!)/5!. |
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+0
2
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| 1152, 4235, 51072, 1844766, 67267200, 1489787937, 20516082048, 194830108540, 1389727430784, 7923082634775, 37759956198272, 155476758621786, 566979054415488, 1866434208254637, 5629739963760000, 15745829707255032, 41231732634193024, 101887952581305891
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OFFSET
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0,1
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COMMENT
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Comment from Peter J. C. Moses, Aug 29 2007: the values of m = m(k) needed to make the sequence a(n,k) = m (n^1 + 1!) (n^2 + 2!) ... (n^i + k!) / k! (n >= 0) take integral values for all n are given in A049614.
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CROSSREFS
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Adjacent sequences: A131524 A131525 A131526 this_sequence A131528 A131529 A131530
Sequence in context: A098976 A114046 A035888 this_sequence A035761 A107557 A020382
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KEYWORD
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nonn
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AUTHOR
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Alexander Povolotsky (pevnev(AT)juno.com), Aug 25 2007
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