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A159201
Number of n X n arrays of squares of integers with every 3X3 subblock summing to 4
0
135, 767, 3223, 10863, 41455, 133967, 386559, 1297583, 3874159, 10725327, 34367791, 100153391, 275262975, 866491247, 2509423663, 6914468943
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OFFSET
3,1
LINKS
Table of n, a(n) for n=3..18.
CROSSREFS
Sequence in context:
A215173
A225360
A328651
*
A362400
A211680
A212610
Adjacent sequences:
A159198
A159199
A159200
*
A159202
A159203
A159204
KEYWORD
nonn
AUTHOR
R. H. Hardin
Apr 06 2009
STATUS
approved
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Last modified August 17 05:44 EDT 2024. Contains 375200 sequences. (Running on oeis4.)