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A159218
Number of n X n arrays of squares of integers with every 3X3 subblock summing to 17
0
3987, 41067, 223475, 867339, 4371779, 16945443, 57746907, 263236635, 1012743923, 3636595539
OFFSET
3,1
CROSSREFS
Sequence in context: A186799 A203190 A229382 * A159216 A236492 A236487
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 06 2009
STATUS
approved