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A132865 Expansion of 1/(1-5x*c(6x)), where c(x) is the g.f. of A000108 . 2
1, 5, 55, 785, 12775, 224945, 4174135, 80404385, 1592666695, 32238859025, 663961262935, 13868665189505, 293105002282855, 6256280361209585, 134676678504352375, 2920490688138377825, 63738849200291875975, 1398964964239496726225, 30859472167442041607575 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..18.

FORMULA

a(n)=Sum_{k, 0<=k<=n}A039599(n,k)*(-1)^k*6^(n-k). - Philippe Deléham, Dec 11 2007

G.f. : 12/(7+5*sqrt(1-24x)). - From Philippe Deléham, Oct 27 2011

MATHEMATICA

CoefficientList[Series[12/(7+5Sqrt[1-24x]), {x, 0, 20}], x] (* Harvey P. Dale, Sep 26 2017 *)

CROSSREFS

Sequence in context: A131846 A144577 A234508 * A294051 A145662 A094418

Adjacent sequences:  A132862 A132863 A132864 * A132866 A132867 A132868

KEYWORD

nonn

AUTHOR

Philippe Deléham, Nov 18 2007

EXTENSIONS

More terms from Philippe Deléham, Oct 27 2011

STATUS

approved

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Last modified February 22 13:09 EST 2018. Contains 299454 sequences. (Running on oeis4.)