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 A106343 #3 Mar 30 2012 18:36:46
%S A106343 1,-1,2,-9,94,-2220,114456,-12542341,2868686486,-1352689963470,
%T A106343 1303841598115220,-2553657953434195806,10119516065845068051324,
%U A106343 -80887691741489094086813370,1301256069443123826666772275060,-42062318857764855463647559458896325
%N A106343 Column 0 of triangle A106342, which is the matrix inverse of the triangle A008278 of Stirling numbers of 2nd kind.
%o A106343 (PARI) {a(n)=(matrix(n+1,n+1,r,c,if(r>=c, sum(m=0,r-c+1,(-1)^(r-c+1-m)*m^r/m!/(r-c+1-m)!)))^-1)[n+1,1]}
%Y A106343 Cf. A106342, A008278.
%K A106343 sign
%O A106343 0,3
%A A106343 _Paul D. Hanna_, May 01 2005