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A183471
Number of nX6 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors.
1
9, 156, 1205, 13338, 153291, 1625205, 17932076, 198519483, 2180670106, 24048268539, 265302159472, 2924641429031, 32252832821055, 355698271489720, 3922517465632732, 43257709091274901, 477050342760130209
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OFFSET
1,1
COMMENTS
Column 6 of
A183474
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for 4X6
..1..1..0..1..1..0....1..0..1..1..0..0....1..0..0..0..0..1....0..1..1..0..1..1
..0..0..0..0..0..0....1..1..1..0..0..1....1..0..1..1..0..1....0..0..0..1..1..0
..1..1..1..1..1..0....1..1..0..1..0..1....0..0..1..1..1..0....1..1..1..0..1..1
..1..1..1..1..1..0....1..0..1..1..0..0....0..0..1..0..1..1....1..1..0..1..1..1
CROSSREFS
Sequence in context:
A236578
A305139
A208545
*
A109677
A320290
A380095
Adjacent sequences:
A183468
A183469
A183470
*
A183472
A183473
A183474
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jan 05 2011
STATUS
approved
