A159209 Number of n X n arrays of squares of integers with every 3X3 subblock summing to 9

766, 5670, 24734, 79462, 333362, 1099974, 3149650, 11849382, 37740530, 110604070, 412449602, 1358595654, 4244427586

Offset

3,1

Links

Table of n, a(n) for n=3..15.

Crossrefs

Sequence in context: A247486 A125109 A234163 * A045142 A115934 A252072

Adjacent sequences: A159206 A159207 A159208 * A159210 A159211 A159212

Keyword

nonn

Author

R. H. Hardin Apr 06 2009

Status

approved