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 A295472 #5 Nov 28 2017 22:01:36 %S A295472 1,277134,289119667590,343884311368413900,432365948166678100986950, %T A295472 560667054442505107362561718884,741516037730263944066134968787982492, %U A295472 994213662322534065297017671627388489353560,1346503768567844163328344622811399413074559930950 %N A295472 a(n) = (20*n)!*(3*n)!*(2*n)!/((10*n)!*(8*n)!*(6*n)!*n!). %F A295472 G.f.: hypergeom([1/20, 3/20, 7/20, 9/20, 11/20, 13/20, 17/20, 19/20], [1/8, 1/6, 3/8, 1/2, 5/8, 5/6, 7/8], 39062500/27*x). %Y A295472 Cf. A295431. %K A295472 nonn %O A295472 0,2 %A A295472 _Gheorghe Coserea_, Nov 28 2017