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A183463
Number of (n+4)X10 binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s
1
21, 309, 1621, 6125, 42613, 248303, 1724088, 13731628, 97119162, 756707222, 6200379979, 47495092665, 381529656480, 3147373531932, 24939108924275, 202897330702581, 1669347485119689, 13414358001681700, 109481811441992527
OFFSET
1,1
COMMENTS
Column 6 of A183465
LINKS
EXAMPLE
Some solutions for 7X10
..0..0..0..1..0..0..1..0..0..0....0..0..0..1..1..0..1..0..0..0
..0..0..1..1..1..1..1..1..0..0....0..0..1..1..0..1..1..1..0..0
..0..1..0..0..0..0..0..0..1..0....0..1..0..0..0..0..0..0..1..0
..1..1..0..0..0..0..0..0..1..1....1..1..0..0..0..0..0..0..1..1
..0..1..0..0..0..0..0..0..1..0....0..1..0..0..0..0..0..0..1..0
..0..0..1..1..1..1..1..1..0..0....0..0..1..1..0..1..1..1..0..0
..0..0..0..1..0..0..1..0..0..0....0..0..0..1..1..0..1..0..0..0
CROSSREFS
Sequence in context: A019488 A025929 A021244 * A125478 A018054 A021484
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved