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%I #7 Nov 28 2017 11:50:23
%S 1,30,2090,165648,13873002,1198158780,105534616880,9423350114880,
%T 849915927124330,77248168052615490,7063878565972568340,
%U 649143744147709730400,59897782807583055382320,5545885349166413944400400,514993443497655350848314048,47943397954241622806694753648
%N a(n) = (10*n)!*(6*n)!/((9*n)!*(5*n)!*(2*n)!).
%F G.f.: hypergeom([1/10, 1/6, 3/10, 1/2, 7/10, 5/6, 9/10], [1/9, 2/9, 4/9, 5/9, 7/9, 8/9], 51200000/531441*x).
%Y Cf. A295431.
%K nonn
%O 0,2
%A _Gheorghe Coserea_, Nov 27 2017
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