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A223016
Number of 5Xn 0..1 arrays with no more than floor(5Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
1
16, 101, 557, 6240, 35471, 464809, 2836008, 39184834, 248336145, 3508690921, 22739394957, 325225255121, 2137234610772, 30797326114267, 204240559315722, 2957935668787285, 19741752766309574, 286950425167762387
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OFFSET
1,1
COMMENTS
Row 5 of
A223012
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..39
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..0....0..0..0....1..1..0....0..0..1....1..0..0....0..0..1....0..0..0
..0..0..0....1..1..1....0..1..1....1..0..1....0..1..1....1..1..1....0..1..1
..0..1..0....1..1..0....1..1..1....0..0..0....1..1..1....1..0..1....0..0..0
CROSSREFS
Sequence in context:
A223774
A224155
A224406
*
A253390
A264281
A240257
Adjacent sequences:
A223013
A223014
A223015
*
A223017
A223018
A223019
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Mar 11 2013
STATUS
approved
