A159398 - OEIS

%I #5 Dec 18 2015 18:17:20

%S 9,44515,35839541,26244127566,12243058647271,3423296813844372,

%T 535228579145386168,46592462278522378574,2416142555048883159091,

%U 81584912305327737875684,1939790380907226935693629

%N Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 16

%H R. H. Hardin, <a href="/A159398/b159398.txt">Table of n, a(n) for n=3..22</a>

%K nonn

%O 3,1

%A _R. H. Hardin_ Apr 11 2009