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A109576
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E.g.f.: x/(1+3x-4x^3)=x/[1-T(3,x)], where T(3,x) is a Chebyshev polynomial.
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0
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0, 1, -6, 54, -552, 6840, -97200, 1577520, -28667520, 578067840, -12798777600, 308836281600, -8065907942400, 226719600307200, -6824229456844800, 219010610827008000, -7465397891567616000, 269363867734241280000, -10256545055212904448000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| "Bernoulli numbers" for x/[1-T(3,x)].
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MAPLE
| G:=x/(1+3*x-4*x^3): Gser:=series(G, x=0, 23): 0, seq(n!*coeff(Gser, x^n), n=1..20); # yields the signed sequence
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MATHEMATICA
| g[x_] = x/(-1 + ChebyshevT[3, x]) h[x_, n_] = Dt[g[x], {x, n}] a[x_] = Table[h[x, n], {n, 0, 50}]; b = a[0]
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CROSSREFS
| Sequence in context: A092810 A092472 A098658 * A201352 A186375 A069726
Adjacent sequences: A109573 A109574 A109575 * A109577 A109578 A109579
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KEYWORD
| sign
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AUTHOR
| Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 28 2005
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