A159378 Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 9

160, 79462, 106933952, 53019140920, 7909968893984, 369792760174099, 8342665041304856, 115289818013937951, 1119615672229664304, 8327128884601400868, 50240989682142868456

Offset

5,1

Links

Table of n, a(n) for n=5..15.

Crossrefs

Sequence in context: A163056 A091550 A027553 * A172074 A171223 A278896

Adjacent sequences: A159375 A159376 A159377 * A159379 A159380 A159381

Keyword

nonn

Author

R. H. Hardin Apr 11 2009

Status

approved