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 A065748 #13 May 11 2018 01:42:11 %S A065748 1,1,4,6,4,15,88,220,304,250,120,28,1025,7308,23234,43420,52880,43880, %T A065748 25088,9680,2340,280,209135,1691024,6237520,13911400,20956610, %U A065748 22549360,17853780,10541440,4639740,1498280,341000,49920,3640,100482849 %N A065748 Triangle of Gandhi polynomial coefficients. %C A065748 First column is A064625. %H A065748 Michael Domaratzki, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL7/Domaratzki/doma23.html">Combinatorial Interpretations of a Generalization of the Genocchi Numbers</a>, Journal of Integer Sequences, Vol. 7 (2004), Article 04.3.6. %H A065748 D. Dumont, <a href="http://dx.doi.org/10.1016/0012-365X(72)90039-8">Sur une conjecture de Gandhi concernant les nombres de Genocchi</a>, (in French), Discrete Mathematics 1 (1972) 321-327. %H A065748 D. Dumont, <a href="http://dx.doi.org/10.1215/S0012-7094-74-04134-9">Interprétations combinatoires des nombres de Genocchi</a>, Duke Math. J., 41 (1974), 305-318. %H A065748 D. Dumont, <a href="/A001469/a001469_3.pdf">Interprétations combinatoires des nombres de Genocchi</a>, Duke Math. J., 41 (1974), 305-318. (Annotated scanned copy) %F A065748 Let B(X, n) = X^4 (B(X+1, n-1) - B(X, n-1)), B(X, 1) = X^4; then the (i, j)-th entry in the table is the coefficient of X^(5+j) in B(X, i). %e A065748 Triangle starts %e A065748 1; %e A065748 1,4,6,4; %e A065748 15,88,220,304,250,120,28; %e A065748 1025,... %Y A065748 Cf. A064625, A036970 %K A065748 easy,nonn,tabf %O A065748 1,3 %A A065748 Mike Domaratzki (mdomaratzki(AT)alumni.uwaterloo.ca), Nov 16 2001