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A141352 Expansion of (1-2x-5x^2-7x^3+x^6)/((1-x)(1-x^3)^2). 2
1, -1, -6, -11, -15, -25, -35, -41, -56, -71, -79, -99, -119, -129, -154, -179, -191, -221, -251, -265, -300, -335, -351, -391, -431, -449, -494, -539, -559, -609, -659, -681, -736, -791, -815, -875, -935, -961, -1026, -1091, -1119 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Hankel transform of A141351.

LINKS

Table of n, a(n) for n=0..40.

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

FORMULA

G.f.: (1-2x-5x^2-7x^3+x^6)/(1-x-2x^3+2x^4+x^6-x^7);

MATHEMATICA

CoefficientList[Series[(1-2x-5x^2-7x^3+x^6)/ ((1-x)(1-x^3)^2), {x, 0, 50}], x] (* Harvey P. Dale, Mar 31 2011 *)

CROSSREFS

Sequence in context: A315435 A315436 A193886 * A276973 A248351 A190552

Adjacent sequences:  A141349 A141350 A141351 * A141353 A141354 A141355

KEYWORD

easy,sign

AUTHOR

Paul Barry, Jun 27 2008

STATUS

approved

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Last modified August 19 08:50 EDT 2019. Contains 326119 sequences. (Running on oeis4.)