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Search: id:A053116
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| A053116 |
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a(n) = ((9*n+10)(!^9))/10, related to A045756 ((9*n+1)(!^9) 9-factorials). |
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+0
5
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| 1, 19, 532, 19684, 905464, 49800520, 3187233280, 232668029440, 19078778414080, 1736168835681280, 173616883568128000, 18924240308925952000, 2233060356453262336000, 283598665269564316672000
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row m=10 of the array A(10; m,n) := ((9*n+m)(!^9))/m(!^9), m >= 0, n >= 0.
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FORMULA
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a(n) =((9*n+10)(!^9))/10(!^9) = A045756(n+2)/10; e.g.f. 1/(1-9*x)^(19/9).
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MATHEMATICA
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s=1; lst={s}; Do[s+=n*s; AppendTo[lst, s], {n, 18, 3*5!, 9}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 08 2008]
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CROSSREFS
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Cf. A051232, A045756, A035012-3, A035017-8, A035020-3 (rows m=0..9).
Sequence in context: A009081 A057644 A027406 this_sequence A158211 A035278 A092611
Adjacent sequences: A053113 A053114 A053115 this_sequence A053117 A053118 A053119
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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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