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A118436 Column 0 of triangle A118435. 3
1, 1, -3, -11, 25, 41, -43, 29, -335, -1199, 3117, 6469, -10295, -8839, -16123, -108691, 354145, 873121, -1721763, -2521451, 1476985, -6699319, 34182197, 103232189, -242017775, -451910159, 597551757, 130656229, 2465133865, 10513816601, -29729597083, -66349305331 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Binomial transform of A118434 = (1, 1, 3, 11, 25, 41, 43, -29, -335, -1199,...) [From Gary W. Adamson, Sep 19 2008]

LINKS

Table of n, a(n) for n=0..31.

FORMULA

G.f.: (1+x+2*x^2-6*x^3+29*x^4+5*x^5)/(1-x^2)/(1+6*x^2+25*x^4).

PROG

(PARI) {a(n)=polcoeff((1+x+2*x^2-6*x^3+29*x^4+5*x^5)/(1-x^2)/(1+6*x^2+25*x^4+x*O(x^n)), n)}

CROSSREFS

Cf. A118435 (triangle), A118437 (row sums).

Sequence in context: A112051 A231068 A185258 * A293413 A056106 A320035

Adjacent sequences:  A118433 A118434 A118435 * A118437 A118438 A118439

KEYWORD

sign

AUTHOR

Paul D. Hanna, Apr 28 2006

STATUS

approved

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Last modified May 16 01:50 EDT 2021. Contains 343937 sequences. (Running on oeis4.)