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A129949
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Variety of algebraic dimensions: A094258(n)-n*(n-1)/2=((n+1)!-n!)-n*(n-1)/2 such that: Sum[((n+1)!-n!),{n,0,m}]=m!.
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0
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1, 2, 5, 20, 110, 700, 5005, 40264, 362796, 3628680, 39916635, 479001380, 6227020514, 87178290836, 1307674367545, 20922789887440, 355687428095320, 6402373705727184, 121645100408831031, 2432902008176638860
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OFFSET
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1,2
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LINKS
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Table of n, a(n) for n=1..20.
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FORMULA
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A094258(n)=If[n == 0, 1, n*n! ]; a(n) = A094258(n)-n*(n-1)/2
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MATHEMATICA
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f[n_] = If[n == 0, 1, n*n! ]; Table[Sum[f[m] - m*(m - 1)/2, {m, 0, n}], {n, 0, 20}]
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CROSSREFS
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Cf. A094258.
Sequence in context: A170946 A201224 A019536 * A127065 A168357 A052850
Adjacent sequences: A129946 A129947 A129948 * A129950 A129951 A129952
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KEYWORD
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nonn,uned
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AUTHOR
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Roger L. Bagula, Jun 10 2007
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STATUS
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approved
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