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Search: id:A045757
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| 1, 11, 231, 7161, 293601, 14973651, 913392711, 64850882481, 5252921480961, 478015854767451, 48279601331512551, 5359035747797893161, 648443325483545072481, 84946075638344404495011
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OFFSET
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1,2
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COMMENT
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a(n)= Pochhammer(1/10,n)*10^n.
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LINKS
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Index entries for sequences related to factorial numbers
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FORMULA
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a(n+1)= (10*n+1)(!^10) := product(10*k+1, k=0..n), n >= 0; E.g.f. -1+(1-10*x)^(-1/10).
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MAPLE
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restart: G(x):=-1+(1-10*x)^(-1/10): f[0]:=G(x): for n from 1 to 29 do f[n]:=diff(f[n-1], x) od: x:=0: seq(f[n], n=1..14); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 03 2009]
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CROSSREFS
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Cf. A035265, A035272-A035279, A008542, A048176.
Sequence in context: A077736 A068122 A015287 this_sequence A144773 A061115 A098321
Adjacent sequences: A045754 A045755 A045756 this_sequence A045758 A045759 A045760
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KEYWORD
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easy,nonn
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
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