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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
165, 2401, 13757, 48057, 345885, 1519377
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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
