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Search: id:A146750
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| A146750 |
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Coefficients pf the Pascal sequence minus the Eulerian numbers with first and last columns subtracted: f(n)=2^n - 2n; q(x,n)= = (1 - x)^(n + 1)*PolyLog[ -n, x]; p(x,n) = ((q(x, n)/x - (x + 1)^(n - 1))/x - f[n] - f[n]*x^(n - 3))/x. |
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+0
1
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| 60, 292, 292, 1176, 2396, 1176, 4272, 15584, 15584, 4272, 14580, 88178, 156120, 88178, 14580, 47804, 455108, 1310228, 1310228, 455108, 47804
(list; graph; listen)
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OFFSET
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5,1
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COMMENT
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Row sums are:{60, 584, 4748, 39712, 361636, 3626280}. First row elements/column are: {60, 292, 1176, 4272, 14580, 47804}.
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FORMULA
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f(n)=2^n - 2n; q(x,n)= = (1 - x)^(n + 1)*PolyLog[ -n, x]; p(x,n) = ((q(x, n)/x - (x + 1)^(n - 1))/x - f[n] - f[n]*x^(n - 3))/x; t(n,m)=Coefficients(p(x,n)).
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EXAMPLE
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{2}, {8, 8}, {22, 60, 22}, {52, 292, 292, 52}, {114, 1176, 2396, 1176, 114}, {240, 4272, 15584, 15584, 4272, 240}, {494, 14580, 88178, 156120, 88178, 14580, 494}, {1004, 47804, 455108, 1310228, 1310228, 455108, 47804, 1004}
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MATHEMATICA
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f[n_] = 2^n - 2n; q[x_, n_] = (1 - x)^(n + 1)*PolyLog[ -n, x]; p[x_, n_] = ((q[x, n]/x - (x + 1)^(n - 1))/x - f[n] - f[n]*x^(n - 3))/x Table[CoefficientList[FullSimplify[ExpandAll[p[x, n]]], x], {n, 5, 10}] Flatten[%]
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CROSSREFS
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A005803
Sequence in context: A100154 A100148 A100151 this_sequence A063497 A096363 A033591
Adjacent sequences: A146747 A146748 A146749 this_sequence A146751 A146752 A146753
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KEYWORD
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nonn
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Nov 01 2008
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