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A110684 Expansion of (-1-8*x-12*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)). 3
1, 2, -10, 41, -148, 530, -1885, 6734, -24142, 86765, -312160, 1123478, -4043605, 14553002, -52373938, 188479877, -678279820, 2440905218, -8784007861, 31610747846, -113756727046, 409373349485, -1473201380488, 5301572336126, -19078633636789 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

MAPLE

seriestolist(series((-1-8*x-12*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)-4kbaseforsumseq[ + '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.

PROG

(PARI) Vec((-1-8*x-12*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))+O(x^99)) \\ Charles R Greathouse IV, Sep 26 2012

CROSSREFS

Cf. A110683, A110685, A110686.

Sequence in context: A051540 A272135 A125130 * A197175 A037561 A135512

Adjacent sequences:  A110681 A110682 A110683 * A110685 A110686 A110687

KEYWORD

sign,easy

AUTHOR

Creighton Dement, Aug 02 2005

STATUS

approved

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Last modified March 26 22:28 EDT 2017. Contains 284138 sequences.