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A159371 Number of n X n arrays of squares of integers summing to 8 1

%I

%S 6,675,34830,1347525,32145930,460513662,4464289944,32292364770,

%T 186464336850,900743450145,3764484413118,13954005203463,

%U 46750424936670,143665627355100,409707743053920,1094582930018724,2760817157366382

%N Number of n X n arrays of squares of integers summing to 8

%H R. H. Hardin, <a href="/A159371/b159371.txt">Table of n, a(n) for n=2..100</a>

%F Empirical: n^2*(n^2-1)*(n^12-27*n^10+295*n^8+15*n^6-10016*n^4+35652*^2-15120)/40320. [From _R. J. Mathar_, Aug 11 2009]

%K nonn

%O 2,1

%A _R. H. Hardin_ Apr 11 2009

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Last modified October 7 05:32 EDT 2022. Contains 357270 sequences. (Running on oeis4.)