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A202930
Number of nX7 0..2 arrays with adjacent row and column sums unequal
0
192, 872940, 2247406834, 5108912536716, 10983388813793312
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OFFSET
1,1
COMMENTS
Column 7 of
A202931
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
Some solutions for n=2
..0..1..0..2..1..1..2....0..1..2..0..2..2..1....0..2..0..1..2..0..0
..0..1..0..0..0..1..2....0..1..1..2..1..0..2....0..2..2..2..2..1..0
CROSSREFS
Sequence in context:
A203490
A008698
A282541
*
A300848
A340352
A012856
Adjacent sequences:
A202927
A202928
A202929
*
A202931
A202932
A202933
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 26 2011
STATUS
approved
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Last modified September 1 06:23 EDT 2024. Contains 375575 sequences. (Running on oeis4.)