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A146534
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4*C(2n,n)-3*0^n.
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1
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1, 8, 24, 80, 280, 1008, 3696, 13728, 51480, 194480, 739024, 2821728, 10816624, 41602400, 160466400, 620470080, 2404321560, 9334424880, 36300541200, 141381055200, 551386115280, 2153031497760
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| a(n)=Sum_{k, 0<=k<=n}A039599(n,k)*A010688(k).
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CROSSREFS
| Cf. A088218, A000984, A029651, A100320, A029609, A144706, A146533
Sequence in context: A116486 A179609 A141317 * A180888 A097544 A128688
Adjacent sequences: A146531 A146532 A146533 * A146535 A146536 A146537
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KEYWORD
| nonn
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AUTHOR
| Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 31 2008
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EXTENSIONS
| Corrected typo. - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 31 2008
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