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 A072888 #8 Dec 06 2014 18:00:08 %S A072888 -2,-14,70,910,-7280,-138320,1521520,38038000,-532532000 %N A072888 Sum of the coefficients of the Schur function expansion of the square of the Vandermonde determinant in n variables. %C A072888 The expansion is combinatorially explosive. The original output and further details are available from my website (see Links). %D A072888 T. Scharf, J.-Y. Thibon and B. G. Wybourne, Powers of the Vandermonde determinant ... J.Phys.A:Mat.Gen. (27) 4211 (1994) %H A072888 B. G. Wybourne, <a href="http://www.fizyka.umk.pl/~bgw/vanex.html">Expansion of the Squares of the Vandermonde Determinant</a> %F A072888 I conjecture that a(n) = prod_{x=0..floor(n/2)} (-3x+1) * prod_{x=0..floor((n-1)/2)} (6x+1). %e A072888 a(3) = -14 because V^2(x1,x2,x3) = {42} - 3{411} - 3{33} + 6{321} - 15{222}. %o A072888 The expansions were evaluated using the program SCHUR. %K A072888 hard,sign %O A072888 2,1 %A A072888 Brian G Wybourne (bgw(AT)phys.uni.torun.pl), Jul 29 2002