

A145012


Half the number of n X n nonnegative integer arrays with every 2 X 2 subblock summing to 2.


0



5, 17, 37, 95, 185, 431, 805, 1799, 3305, 7247, 13237, 28775, 52505, 113711
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OFFSET

2,1


LINKS



CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS

Changed positive (programmer's definition) to nonnegative (mathematician's definition), added n X n.  R. H. Hardin, Sep 30 2008


STATUS

approved



