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 A295465 #7 Aug 19 2020 16:49:39 %S A295465 1,84021990,27148761423822150,9954973275139484047762908, %T A295465 3854033460136506985790722290997830, %U A295465 1538140504965911180891074089844546665130740,625941149813307100769398285275462870937611266492700,258199006729578473819424192171981739783714836205236867089400 %N A295465 a(n) = (30*n)!*(5*n)!*(3*n)!/((15*n)!*(12*n)!*(10*n)!*n!). %F A295465 G.f.: hypergeom([1/30, 7/30, 11/30, 13/30, 17/30, 19/30, 23/30, 29/30], [1/12, 1/4, 5/12, 1/2, 7/12, 3/4, 11/12], 7119140625/16*x). %t A295465 Table[((3 n)! (5 n)! (30 n)!)/(n! (10 n)! (12 n)! (15 n)!),{n,0,20}] (* _Harvey P. Dale_, Aug 19 2020 *) %Y A295465 Cf. A295431. %K A295465 nonn %O A295465 0,2 %A A295465 _Gheorghe Coserea_, Nov 28 2017