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A145055 One-third of the number of n X n nonnegative integer arrays with every 3 X 3 subblock summing to 4. +0
1
165, 2401, 13757, 48057, 345885, 1519377 (list; graph; listen)
OFFSET

3,1
CROSSREFS

Sequence in context: A124409 A066177 A027796 this_sequence A105944 A071576 A140912

Adjacent sequences: A145052 A145053 A145054 this_sequence A145056 A145057 A145058

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Sep 30 2008

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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