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 A176696 #8 Jan 17 2018 03:16:24
%S A176696 1,0,36,216,1440,9936,74880,608040,5391360,51732000,539136000,
%T A176696 6055025400,73322496000,950831881200,13198049280000,194943875747400,
%U A176696 3061947432960000,50884296047208000,894088650424320000
%N A176696 E.g.f.: exp(6*arcsin(x))-6*arcsin(x).
%C A176696 Sum_{k>=0} a(k)/(2^k*k!) = e^Pi - Pi (A018938).
%t A176696 With[{nn=20},CoefficientList[Series[Exp[6ArcSin[x]]-6ArcSin[x],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Mar 11 2012 *)
%o A176696 (PARI) a(n)=polcoeff(exp(6*asin(x))-6*asin(x),n)*n!
%Y A176696 Cf. A018938, A166748.
%K A176696 nonn
%O A176696 0,3
%A A176696 _Jaume Oliver Lafont_, Apr 24 2010