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A180373
1/6 the number of n X n arrays of integers in 1..6 with no element or any of its neighbors having the same value
0
1, 60, 3120, 231720, 20495520, 2637990720
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
CROSSREFS
Sequence in context:
A082670
A084659
A230568
*
A264947
A004297
A223657
Adjacent sequences:
A180370
A180371
A180372
*
A180374
A180375
A180376
KEYWORD
nonn
AUTHOR
R. H. Hardin
Sep 01 2010
STATUS
approved
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Last modified April 24 18:05 EDT 2024. Contains 371962 sequences. (Running on oeis4.)