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%I #6 Jul 05 2018 11:41:54
%S 1,309,394569,1152570141,6146536982625,52816853458623141,
%T 674834132958408150489,12117734852792708882420829,
%U 293263049341469022013133757441
%N Special values of hypergeometric function of type 3F3: a(n)=3^n*(n!)^3* 3F3(n+1, n+1, n+1; 1, 1, 1; 3)*exp(-3), n=0,1...
%C Arises in the boson normal ordering problem.
%t Table[3^n*(n!)^3*HypergeometricPFQ[{n+1, n+1, n+1},{1, 1, 1}, 3]*E^(-3), {n,0,15}] (* _Vaclav Kotesovec_, Jul 05 2018 *)
%K nonn
%O 0,2
%A _Karol A. Penson_, Jan 15 2007
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