login
A159391
Number of n X n arrays of squares of integers with every (n-2)X(n-2) subblock summing to 13
0
80, 84282, 159765632, 135205866466, 61078116529728
OFFSET
4,1
CROSSREFS
Sequence in context: A068273 A068285 A159408 * A323448 A231036 A051184
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2009
STATUS
approved