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 A295445 #7 Nov 28 2017 11:49:18 %S A295445 1,408408,802241960520,1823169705017624880,4396944340992842923469640, %T A295445 10954213672604884898541157653408, %U A295445 27856219773497860095974794307896603536,71846723613356502547294848257330357588794200,187234481335648875117449455455153824826269008835400 %N A295445 a(n) = (18*n)!*(2*n)!/((9*n)!*(6*n)!*(5*n)!). %F A295445 G.f.: hypergeom([1/18, 5/18, 7/18, 1/2, 11/18, 13/18, 17/18], [1/5, 1/3, 2/5, 3/5, 2/3, 4/5], 8707129344/3125*x). %Y A295445 Cf. A295431. %K A295445 nonn %O A295445 0,2 %A A295445 _Gheorghe Coserea_, Nov 27 2017