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A206784
Number of nX7 0..1 arrays avoiding 0 0 1 horizontally and 0 1 1 vertically.
1
54, 2916, 61003, 1165366, 17515482, 248652016, 3210775788, 40009922008, 476334876958, 5542093365196, 62879423961226, 702454161467961, 7727332842269952, 84083787760092394, 905578254568069211
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OFFSET
1,1
COMMENTS
Column 7 of
A206785
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1..0..1..1..1..0..0....1..0..1..1..0..1..0....1..1..1..1..1..1..1
..0..1..0..1..1..0..1....1..0..1..0..1..1..0....0..1..1..1..1..0..1
..0..0..0..0..0..0..0....0..1..0..0..0..0..0....1..1..1..1..1..1..1
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..1..1..1..1..0..1
CROSSREFS
Sequence in context:
A188849
A188856
A207004
*
A188521
A189262
A189700
Adjacent sequences:
A206781
A206782
A206783
*
A206785
A206786
A206787
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Feb 12 2012
STATUS
approved
