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%I #5 Nov 28 2017 22:01:45
%S 1,3230,28539654,285775341740,3020260664350790,32901338385286966980,
%T 365436597301046276738460,4114133256443603065995388440,
%U 46780615678270404496871840084550,536005188259178667341474315575006676,6178692020351504220300189963052978836404,71573683420303750522221857739718191020815080
%N a(n) = (20*n)!*(7*n)!*(2*n)!/((14*n)!*(10*n)!*(4*n)!*n!).
%F G.f.: hypergeom([1/20, 3/20, 7/20, 9/20, 11/20, 13/20, 17/20, 19/20], [1/14, 3/14, 5/14, 1/2, 9/14, 11/14, 13/14], 10000000000/823543*x).
%Y Cf. A295431.
%K nonn
%O 0,2
%A _Gheorghe Coserea_, Nov 28 2017
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