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A183462
Number of (n+4)X9 binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s
1
4, 59, 498, 1577, 8702, 42613, 210362, 1459669, 7676361, 44631710, 307975889, 1766468801, 10941194118, 74842408447, 452000693891, 2882180117494, 19523455903949, 121423010910314, 784247000876085, 5259836130609437
OFFSET
1,1
COMMENTS
Column 5 of A183465
LINKS
EXAMPLE
Some solutions for 7X9
..0..0..1..1..0..1..0..0..0....0..0..0..0..0..1..0..0..0
..0..1..1..0..1..1..1..0..0....0..0..0..0..1..1..1..0..0
..1..0..0..0..0..0..0..1..0....0..0..0..1..0..0..0..1..0
..1..1..0..0..0..0..0..1..1....0..0..1..1..0..0..0..1..1
..1..0..0..0..0..1..0..1..0....0..0..0..1..0..1..0..1..0
..0..1..1..0..1..1..1..0..0....0..0..0..0..1..1..1..0..0
CROSSREFS
Sequence in context: A200048 A037066 A113251 * A093597 A257069 A199107
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved