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A146502
Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15 and every element equal to at least one neighbor.
2
0, 186, 41444, 7687870, 8221000176, 599346431860
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OFFSET
3,2
LINKS
Table of n, a(n) for n=3..8.
CROSSREFS
Sequence in context:
A366488
A299830
A265171
*
A231055
A068257
A226675
Adjacent sequences:
A146499
A146500
A146501
*
A146503
A146504
A146505
KEYWORD
nonn
AUTHOR
R. H. Hardin
Apr 14 2009
STATUS
approved
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Last modified June 9 22:16 EDT 2024. Contains 373251 sequences. (Running on oeis4.)
