A159202 Number of n X n arrays of squares of integers with every 4X4 subblock summing to 4

1836, 19252, 120420, 485580, 1431580, 7580604, 30777228, 98695180, 260875260, 1171616956, 4324917900, 13424965644

Offset

4,1

Links

Table of n, a(n) for n=4..15.

Crossrefs

Sequence in context: A133539 A234492 A100970 * A238294 A274683 A231079

Adjacent sequences: A159199 A159200 A159201 * A159203 A159204 A159205

Keyword

nonn

Author

R. H. Hardin Apr 06 2009

Status

approved