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 A096132 #6 Jul 24 2015 23:11:12
%S A096132 1,1,1,1,84,4686825,1,12870,3284214703056,10078751602022313874633200,
%T A096132 1,3268760,9064807833193439800,25006639164538285144538957539300707000,
%U A096132 137658555538877668586244095134027016988748997970545868021484500,1
%N A096132 Triangle read by rows in which the r-th term of the n-th row is C(n^r,r*n), where r = 1 to n.
%e A096132 1
%e A096132 1 1
%e A096132 1 84 4686825
%e A096132 1 12870 3284214703056 = C(256,16) 10078751602022313874633200
%e A096132 1 3268760 9064807833193439800 25006639164538285144538957539300707000 ...
%e A096132 ...
%t A096132 Flatten[ Table[ Binomial[n^r, r*n], {n, 6}, {r, n}]] (* _Robert G. Wilson v_, Jul 08 2004 *)
%Y A096132 Cf. A096130, A096131.
%K A096132 nonn,tabl
%O A096132 1,5
%A A096132 _Amarnath Murthy_, Jul 04 2004
%E A096132 Edited, corrected and extended by _Robert G. Wilson v_, Jul 08 2004