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A078067 Expansion of (1-x)/(1+2*x+2*x^2-2*x^3). 0
1, -3, 4, 0, -14, 36, -44, -12, 184, -432, 472, 288, -2384, 5136, -4928, -5184, 30496, -60480, 49600, 82752, -385664, 705024, -473216, -1234944, 4826368, -8129280, 4135936, 17639424, -59809280, 92611584, -30325760, -244190208, 734255104, -1040781312, 124672000, 3300728832 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..35.

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

MATHEMATICA

CoefficientList[Series[(1-x)/(1+2x+2x^2-2x^3), {x, 0, 40}], x] (* or *) LinearRecurrence[{-2, -2, 2}, {1, -3, 4}, 40] (* Harvey P. Dale, May 03 2018 *)

CROSSREFS

Sequence in context: A056862 A113035 A099447 * A192442 A009126 A322278

Adjacent sequences:  A078064 A078065 A078066 * A078068 A078069 A078070

KEYWORD

sign,easy

AUTHOR

N. J. A. Sloane, Nov 17 2002

STATUS

approved

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Last modified February 27 19:19 EST 2020. Contains 332308 sequences. (Running on oeis4.)