A159204 Number of n X n arrays of squares of integers with every 3X3 subblock summing to 5

198, 1062, 3974, 12294, 45386, 142206, 400914, 1332870, 3945242, 10847070, 34656506, 100733766, 276259698, 868825302, 2514160154, 6922672974

Offset

3,1

Links

Table of n, a(n) for n=3..18.

Crossrefs

Sequence in context: A158222 A156771 A065697 * A075457 A364860 A224452

Adjacent sequences: A159201 A159202 A159203 * A159205 A159206 A159207

Keyword

nonn

Author

R. H. Hardin Apr 06 2009

Status

approved