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A077861
Expansion of (1-x)^(-1)/(1-2*x+2*x^2+x^3).
0
1, 3, 5, 4, -4, -20, -35, -25, 41, 168, 280, 184, -359, -1365, -2195, -1300, 3156, 11108, 17205, 9039, -27439, -90160, -134480, -61200, 236721, 730323, 1048405, 399444, -2028244, -5903780, -8150515, -2465225, 17274361, 47629688, 63175880, 13818024, -146345399, -383502725
OFFSET
0,2
MATHEMATICA
CoefficientList[Series[(1-x)^(-1)/(1-2x+2x^2+x^3), {x, 0, 40}], x] (* or *) LinearRecurrence[{3, -4, 1, 1}, {1, 3, 5, 4}, 40] (* Harvey P. Dale, Aug 26 2013 *)
CROSSREFS
Cf. A077944 (first differences).
Sequence in context: A130532 A019707 A197825 * A272647 A076308 A375097
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Nov 17 2002
STATUS
approved