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A131678
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a(n) = (Product_{i=1..8} n^i+i) / 8!.
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1
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1, 9, 9065925, 7310502643675, 176327300873583405, 483041091658815453456, 320648364425775841520065, 79074323113562613259765875, 9403175220694650942397475625, 639220975955961365494757841040, 27923612862792073359883606310061, 852385355738368243011331354210716, 19346552845649626158477975728463925
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OFFSET
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0,2
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COMMENTS
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LINKS
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MATHEMATICA
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PROG
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(PARI) A131678(n, k=8)=prod(i=1, k, (n^i+i))/k! \\ Changing the optional 2nd argument allows one to produce A000027 (k=1), A064808 (k=2), A131509 (k=3), A129995(k=4), A131675 (k=5), ..., A131680 (k=10). - M. F. Hasler, May 02 2015
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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