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A077822 Expansion of (1-x)^(-1)/(1-3*x-3*x^2-2*x^3). 0
1, 4, 16, 63, 246, 960, 3745, 14608, 56980, 222255, 866922, 3381492, 13189753, 51447580, 200674984, 782747199, 3053161710, 11909076696, 46452209617, 181190182360, 706745329324, 2756710954287, 10752749215554, 41941871168172, 163597283059753, 638122961114884 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..25.

Index entries for linear recurrences with constant coefficients, signature (4,0,-1,-2).

CROSSREFS

Cf. A077829 (first differences).

Sequence in context: A034542 A289594 A071264 * A257838 A099503 A119376

Adjacent sequences:  A077819 A077820 A077821 * A077823 A077824 A077825

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Nov 17 2002

STATUS

approved

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Last modified January 25 23:08 EST 2020. Contains 331270 sequences. (Running on oeis4.)