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Search: id:A158802
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| A158802 |
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Recursive sequence as solution to a differential equation: a(n)=((n - 1)*(n - 3)*a(n - 1) - a(n - 2) + a(n - 3))/(n*(n - 1)) |
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1
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| 0, 1, -4, 0, 16, 10, 12, 182, 1120, 7452, 58640, 520784, 5142144, 55929640, 664505744, 8562670920, 118939979008, 1771631324848, 28168269788160, 476151820931168, 8526830353553920, 161255217263900256
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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Martin Braun,Differential Equations and Their Applications : An Introduction to Applied Mathematics (Texts in Applied Mathematics, Vol. 11),Springer,1992,page283, Example 5.
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FORMULA
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a(n)=((n - 1)*(n - 3)*a(n - 1) - a(n - 2) + a(n - 3))/(n*(n - 1));
out_(n)=n*n!*a(n)
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MATHEMATICA
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Clear[a, n];
a[0] = 1; a[1] = 1; a[2] = -1;
a[n_] := a[n] = ((n - 1)*(n - 3)*a[n - 1] - a[n - 2] + a[n - 3])/(n*(n - 1));
Table[n*n!*a[n], {n, 0, 30}]
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CROSSREFS
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Sequence in context: A086262 A167361 A167314 this_sequence A030212 A167359 A007216
Adjacent sequences: A158799 A158800 A158801 this_sequence A158803 A158804 A158805
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KEYWORD
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sign,uned
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Mar 27 2009
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