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%I #7 Nov 13 2021 04:52:38
%S 0,1,1,1,5,4,14,36,30,576,55,14400,91,518400,140,25401600,204,
%T 1625702400,285,131681894400,385,13168189440000,506,1593350922240000,
%U 650,229442532802560000,819,38775788043632640000,1015
%N List of pairs: {n*(n + 1)*(2*n + 1)/6, (n!)^2}.
%H G. C. Greubel, <a href="/A154225/b154225.txt">Table of n, a(n) for n = 0..500</a>
%t Flatten[Table[{n*(n + 1)*(2*n + 1)/6, (n!)^2}, {n, 0, 15}]]
%K nonn,tabf
%O 0,5
%A _Roger L. Bagula_, Jan 05 2009