A159445 - OEIS

A159445

Number of n X n arrays of squares of integers summing to 40

%I #5 Dec 18 2015 18:17:21

%S 18,51102,124959234,526338968015,2719419327570456,

%T 14693123505348956696,72664207137416531057904,

%U 295216538355645216153560910,901062614916369636624902328980,1918631778745608122017797815817186

%N Number of n X n arrays of squares of integers summing to 40

%H R. H. Hardin, <a href="/A159445/b159445.txt">Table of n, a(n) for n=2..100</a>

%K nonn

%O 2,1

%A _R. H. Hardin_ Apr 11 2009