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A202653
Number of 4 X 4 0..n arrays with no row or column sum equal to the previous one.
1
10016, 14394092, 1960824272, 82673548892, 1704690798544, 21663154469016, 194018658663536
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=1:
1 1 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 0 1 0
1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
1 0 0 1 1 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0
0 0 0 1 1 1 1 1 1 1 0 1 0 0 1 0 1 0 0 1
CROSSREFS
Row 4 of
A202651
.
Sequence in context:
A052095
A033533
A146505
*
A210130
A213319
A241880
Adjacent sequences:
A202650
A202651
A202652
*
A202654
A202655
A202656
KEYWORD
nonn
,
more
AUTHOR
R. H. Hardin
, Dec 22 2011
STATUS
approved
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Last modified May 23 12:41 EDT 2024. Contains 372763 sequences. (Running on oeis4.)