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A146504
Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 16 and every element equal to at least one neighbor.
1
1, 163, 44537, 12234095, 13115315167
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OFFSET
3,2
LINKS
Table of n, a(n) for n=3..7.
CROSSREFS
Sequence in context:
A138932
A217963
A138200
*
A306501
A247269
A145741
Adjacent sequences:
A146501
A146502
A146503
*
A146505
A146506
A146507
KEYWORD
nonn
AUTHOR
R. H. Hardin
Apr 14 2009
STATUS
approved
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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)