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A106174
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a(n) = 2*n*a(n-1)-a(n-2).
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3
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0, 1, 4, 23, 180, 1777, 21144, 294239, 4686680, 84066001, 1676633340, 36801867479, 881568186156, 22883970972577, 639869619046000, 19173204600407423, 612902677593991536, 20819517833595304801, 748889739331836981300
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| Bessel recurrance at x=1: J[x,n]=(2*n/x)*J[x,n-1]-J[x,n-2].
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REFERENCES
| Abramowitz and Stegun, Handbook of Mathematical Functions,9th printing,1972, page 385
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LINKS
| M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
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MATHEMATICA
| F[0] = 0; F[1] = 1; F[n_] := F[n] = 2*n*F[n - 1] - F[n - 2] a = Table[F[n], {n, 0, 25}]
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CROSSREFS
| Sequence in context: A067545 A004041 A089465 * A056814 A058863 A192840
Adjacent sequences: A106171 A106172 A106173 * A106175 A106176 A106177
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KEYWORD
| nonn
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AUTHOR
| Roger Bagula (rlbagulatftn(AT)yahoo.com), Mar 14 2006
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