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A255784
Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0
1
90, 270, 1050, 5240, 43838, 597517, 10902535, 269859998, 9457603649, 445467783893, 28246525232387, 2468916391423971, 294108187486101498, 47388808850139510459, 10427427542156971913615, 3130608690589739846073241
OFFSET
1,1
COMMENTS
Diagonal of A255792
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1..0..1....1..1..1..0..1..1....1..1..0..1..1..1....1..0..1..1..1..0
..1..1..1..0..1..0....0..1..0..1..0..1....1..0..1..0..1..1....1..1..0..1..0..1
..1..1..0..1..0..1....1..0..1..0..1..1....1..1..0..1..0..1....1..0..1..0..1..0
..1..0..1..0..1..0....1..1..0..1..0..1....1..1..1..0..1..1....1..1..0..1..0..1
..1..1..0..1..0..1....1..0..1..0..1..1....0..1..1..1..1..1....1..1..1..0..1..1
..1..0..1..1..1..0....1..1..0..1..1..1....1..0..1..1..1..0....0..1..1..1..1..1
CROSSREFS
Sequence in context: A231961 A237131 A363729 * A250877 A250878 A027621
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 06 2015
STATUS
approved