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 A295447 #6 Nov 28 2017 11:50:21 %S A295447 1,286,196650,152743696,125117624170,105603640815036, %T A295447 90864922211333424,79239192984544856640,69787746378451035806058, %U A295447 61932198387397883017437250,55292497255461005096459802900,49606246898694412506503464226400,44685036796879893398022369751697200 %N A295447 a(n) = (14*n)!*(3*n)!/((9*n)!*(7*n)!*n!). %F A295447 G.f.: hypergeom([1/14, 3/14, 5/14, 1/2, 9/14, 11/14, 13/14], [1/9, 2/9, 4/9, 5/9, 7/9, 8/9], 13492928512/14348907*x). %Y A295447 Cf. A295431. %K A295447 nonn %O A295447 0,2 %A A295447 _Gheorghe Coserea_, Nov 27 2017