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Search: id:A110685
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| A110685 |
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Expansion of (1+4*x-2*x^2-4*x^3+4*x^4)/((x-1)*(3*x^2+3*x+1)*(2*x^3+2*x^2+4*x+1)). |
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+0
4
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| -1, 2, 0, -13, 60, -220, 765, -2662, 9384, -33457, 120048, -431896, 1554957, -5598250, 20151564, -72527377, 261011940, -939300196, 3380216661, -12164232958, 43774972368, -157531648801, 566904871752, -2040106024480, 7341678056925
(list; graph; listen)
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OFFSET
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0,2
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MAPLE
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seriestolist(series((1+4*x-2*x^2-4*x^3+4*x^4)/((x-1)*(3*x^2+3*x+1)*(2*x^3+2*x^2+\ 4*x+1)), x=0, 25)); -or- Floretion Algebra Multiplication Program, FAMP Code: tessum(infty)-4basejforsumseq[ + 'i - .25'j + .25'k - .25j' + .25k' - .5'ii' - .25'ij' - .25'ik' - .25'ji' - .25'ki' - .5e], Sumtype is set to: sum[Y[15]] = sum[ * ], Fortype is set to: 1A.
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CROSSREFS
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Cf. A110683, A110684, A110686.
Sequence in context: A058803 A107700 A122688 this_sequence A064855 A088504 A074031
Adjacent sequences: A110682 A110683 A110684 this_sequence A110686 A110687 A110688
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KEYWORD
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sign
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AUTHOR
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Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Aug 02 2005
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