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 A295451 #6 Nov 28 2017 11:50:09 %S A295451 1,24024,2677114440,347714586888240,48026128282174802760, %T A295451 6858171535488233066949024,1000085563511096962480102423440, %U A295451 147950885386878187684691046887599320,22118704841920591519508406949192397599560,3333326541499644169355299034603982863427892800 %N A295451 a(n) = (14*n)!*n!/((7*n)!*(5*n)!*(3*n)!). %F A295451 G.f.: hypergeom([1/14, 3/14, 5/14, 1/2, 9/14, 11/14, 13/14], [1/5, 1/3, 2/5, 3/5, 2/3, 4/5], 13492928512/84375*x). %Y A295451 Cf. A295431. %K A295451 nonn %O A295451 0,2 %A A295451 _Gheorghe Coserea_, Nov 27 2017