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 A295457 #5 Nov 28 2017 14:08:04 %S A295457 1,9009,294076965,11030686038900,438321132020096325, %T A295457 17979827428611358281384,752553618012140145142587492, %U A295457 31940836366106723747518143741060,1369603448067362789909481679723040325,59188587562897050669538613520932321886000,2573718443318168289438405066554782451258688840 %N A295457 a(n) = (15*n)!*(4*n)!/((8*n)!*(6*n)!*(5*n)!). %F A295457 G.f.: hypergeom([1/15, 2/15, 4/15, 7/15, 8/15, 11/15, 13/15, 14/15], [1/8, 1/6, 3/8, 1/2, 5/8, 5/6, 7/8], 192216796875/4194304*x). %Y A295457 Cf. A295431. %K A295457 nonn %O A295457 0,2 %A A295457 _Gheorghe Coserea_, Nov 28 2017