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Search: id:A129949
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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
1
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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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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: A152562 A006867 A019536 this_sequence A127065 A052850 A000130
Adjacent sequences: A129946 A129947 A129948 this_sequence 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 (rlbagulatftn(AT)yahoo.com), Jun 10 2007
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