This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A295476 #7 May 12 2018 10:01:14
%S A295476 1,190,95238,54503020,32989143110,20598742103940,13119794010495900,
%T A295476 8472058672655664024,5526367916474032140870,3632882290435237504630420,
%U A295476 2402807931482709593805719988,1597125851104281978332538662760,1065954690102347966626416591930140
%N A295476 a(n) = (20*n)!*(9*n)!*(6*n)!/((18*n)!*(10*n)!*(4*n)!*(3*n)!).
%F A295476 G.f.: hypergeom([1/20, 3/20, 7/20, 9/20, 11/20, 13/20, 17/20, 19/20], [1/18, 5/18, 7/18, 1/2, 11/18, 13/18, 17/18], 10000000000/14348907*x).
%t A295476 Table[Times@@(#!&/@(n{20,9,6}))/Times@@(#!&/@(n{18,10,4,3})),{n,0,20}] (* _Harvey P. Dale_, May 12 2018 *)
%Y A295476 Cf. A295431.
%K A295476 nonn
%O A295476 0,2
%A A295476 _Gheorghe Coserea_, Nov 28 2017