A145055 One-third of the number of n X n nonnegative integer arrays with every 3 X 3 subblock summing to 4.

165, 2401, 13757, 48057, 345885, 1519377

Offset

3,1

Links

Table of n, a(n) for n=3..8.

Crossrefs

Sequence in context: A066177 A184490 A027796 * A194483 A105944 A071576

Adjacent sequences: A145052 A145053 A145054 * A145056 A145057 A145058

Keyword

nonn

Author

R. H. Hardin, Sep 30 2008

Status

approved