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A129464
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Second column (m=1) sequence of triangle A129462 (v=2 member of a certain family).
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5
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1, -2, -6, -48, -720, -17280, -604800, -29030400, -1828915200, -146313216000, -14485008384000, -1738201006080000, -248562743869440000, -41758540970065920000, -8142915489162854400000, -1824013069572479385600000, -465123332740982243328000000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| See A129462 for the M. Bruschi et al. reference.
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FORMULA
| a(n)= A12946(n+1,1),n>=0.
a(n) = -(n-1)!^2*n*(n+1), n>0. [From Peter Luschny (peter(AT)luschny.de), Oct 15 2010]
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MAPLE
| A129464 := n -> `if`(n=0, 1, -(n-1)!^2*n*(n+1)); [From Peter Luschny (peter(AT)luschny.de), Oct 15 2010]
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CROSSREFS
| Cf. A129465 (m=2), A129466 (m=3).
Sequence in context: A052735 A052717 A175430 * A003053 A113296 A063744
Adjacent sequences: A129461 A129462 A129463 * A129465 A129466 A129467
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KEYWORD
| sign,easy
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) May 04 2007
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