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Expansion of 1/(1-5x*c(6x)), where c(x) is the g.f. of A000108.
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%I #14 Jan 26 2020 21:04:36

%S 1,5,55,785,12775,224945,4174135,80404385,1592666695,32238859025,

%T 663961262935,13868665189505,293105002282855,6256280361209585,

%U 134676678504352375,2920490688138377825,63738849200291875975,1398964964239496726225,30859472167442041607575

%N Expansion of 1/(1-5x*c(6x)), where c(x) is the g.f. of A000108.

%F a(n) = Sum_{k=0..n} A039599(n,k)*(-1)^k*6^(n-k). - _Philippe Deléham_, Dec 11 2007

%F G.f.: 12/(7 + 5*sqrt(1-24x)). - _Philippe Deléham_, Oct 27 2011

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

%K nonn

%O 0,2

%A _Philippe Deléham_, Nov 18 2007

%E More terms from _Philippe Deléham_, Oct 27 2011