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A144639
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Column 4 of triangle in A144633.
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2
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0, 0, 0, 0, 1, -10, 85, -700, 5565, -39270, 163625, 2002000, -80455375, 1796144350, -33225267075, 532997965500, -6863056074875, 39757008541250, 1589961504756625, -87655679826715000, 2971557080832965625, -82299265240798856250, 1913986621864144953125
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,6
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LINKS
| Alois P. Heinz, Table of n, a(n) for n = 0..100
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FORMULA
| E.g.f.: B(x)^4/24 where B(x) is e.g.f. for A144636. [From Vladeta Jovovic (vladeta(AT)eunet.yu), Jan 24 2009]
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MAPLE
| A:= proc(n, k) option remember; if n=k then 1 elif k<n or n<1 then 0 else A(n-1, k-1) +(k-1) *A(n-1, k-2) +(k-1) *(k-2) *A(n-1, k-3)/2 fi end: M:= proc(n) option remember; Matrix(n+1, (i, j)-> A(i-1, j-1))^(-1) end: a:= n-> M (n+4)[5, n+1]: seq (a(n), n=0..25); # Alois P. Heinz, Oct 25 2009
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CROSSREFS
| Sequence in context: A104128 A014341 A081903 * A038235 A000454 A145146
Adjacent sequences: A144636 A144637 A144638 * A144640 A144641 A144642
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KEYWORD
| sign
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jan 23 2009
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EXTENSIONS
| More terms from Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 25 2009
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