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A109583 Let x^3/(-1-x+x^3)=Sum[b[n]*x^n/n1,{n,0,Infinity}]; a(n) = Abs[b[n]] 0
0, 0, 0, 6, 24, 120, 0, 5040, 80640, 725760, 3628800, 39916800, 1437004800, 24908083200, 261534873600, 0, 83691159552000, 2489811996672000, 44816615940096000, 364935301226496000, 9731608032706560000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..20.

MATHEMATICA

g[x_] = x^3/(-1 - x + x^3) h[x_, n_] = Dt[g[x], {x, n}] a[x_] = Table[h[x, n], {n, 0, 25}]; b = a[0] Abs[b]

CROSSREFS

Sequence in context: A223752 A293236 A217193 * A100934 A127917 A293118

Adjacent sequences:  A109580 A109581 A109582 * A109584 A109585 A109586

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Jun 29 2005

STATUS

approved

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Last modified September 22 13:48 EDT 2021. Contains 347607 sequences. (Running on oeis4.)