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A145014 Number of n X n nonnegative integer arrays with every 2 X 2 subblock summing to 4. 0

%I

%S 35,259,1059,5395,19091,84499,284451,1180243,3922835

%N Number of n X n nonnegative integer arrays with every 2 X 2 subblock summing to 4.

%K nonn

%O 2,1

%A _R. H. Hardin_, Sep 29 2008

%E Changed positive to nonnegative, added n X n. - _R. H. Hardin_, Sep 30 2008

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Last modified July 29 17:41 EDT 2021. Contains 346346 sequences. (Running on oeis4.)