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 A065755 #12 Jul 08 2017 11:58:21
%S A065755 1,1,5,10,10,5,31,230,755,1440,1760,1430,770,260,45,6721,60655,250665,
%T A065755 628535,1067865,1299570,1166945,783720,393855,146025,38500,6630,585,
%U A065755 5850271,59885980,285597890,843288660,1727996845,2610132070,3012643620
%N A065755 Triangle of Gandhi polynomial coefficients.
%C A065755 First column is A065756. Second column is A065757.
%H A065755 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.
%F A065755 Let B(X, n) = X^5 (B(X+1, n-1) - B(X, n-1)), B(X, 1) = X^5; then the (i, j)-th entry in the table is the coefficient of X^(4+j) in B(X, i).
%e A065755 Irregular triangle begins:
%e A065755 1;
%e A065755 1, 5, 10, 10, 5;
%e A065755 31, 230, 755, 1440, 1760, 1430, 770, 260, 45;
%e A065755 6721, ...
%t A065755 B[X_, 1] := X^5; B[X_, n_] := B[X, n] = X^5 (B[X+1, n-1] - B[X, n-1]) // Expand; row[1] = {1}; row[n_] := List @@ B[X, n] /. X -> 1; Array[row, 5] // Flatten (* _Jean-François Alcover_, Jul 08 2017 *)
%Y A065755 Cf. A065756, A065757, A065747, A065748, A036970.
%K A065755 easy,nonn,tabf
%O A065755 1,3
%A A065755 Mike Domaratzki (mdomaratzki(AT)alumni.uwaterloo.ca), Nov 17 2001