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 A206151 #11 Dec 30 2012 11:17:22
%S A206151 1,2,7,120,16257,22426576,181974299842,15238138790731690,
%T A206151 8413234043413844801094,36597622942948070873495055416,
%U A206151 1557743574279376981523155294991683637,377269728353963189455845962558983304322979834
%N A206151 G.f.: exp( Sum_{n>=1} A206152(n)*x^n/n ), where A206152(n) = Sum_{k=0..n} binomial(n,k)^(n+k).
%C A206151 Logarithmic derivative yields A206152.
%e A206151 G.f.: A(x) = 1 + 2*x + 7*x^2 + 120*x^3 + 16257*x^4 + 22426576*x^5 +...
%e A206151 where the logarithm of the g.f. begins:
%e A206151 log(A(x)) = 2*x + 10*x^2/2 + 326*x^3/3 + 64066*x^4/4 + 111968752*x^5/5 +...+ A206152(n)*x^n/n +...
%o A206151 (PARI) {a(n)=polcoeff(exp(sum(m=1,n+1,x^m/m*sum(k=0,m,binomial(m,k)^(m+k))+x*O(x^n))),n)}
%o A206151 for(n=0,16,print1(a(n),", "))
%Y A206151 Cf. A206152 (log), A184730.
%K A206151 nonn
%O A206151 0,2
%A A206151 _Paul D. Hanna_, Feb 04 2012