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A256809
Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 0 or 1 and no column sum 0 or 1
1
12707, 203129, 3375943, 53254665, 845074953, 13512239171, 215464267564, 3432996430917, 54734222100688, 872697161884847, 13912483854824538, 221795217415897043, 3536009069533019771, 56372932016438815229
OFFSET
1,1
COMMENTS
Column 7 of A256810
LINKS
EXAMPLE
Some solutions for n=1
..1..1..0..1..1..1..1..1..1....1..1..1..1..1..1..1..0..1
..1..1..1..1..0..1..1..1..0....1..0..1..1..0..1..1..1..1
..1..1..1..1..1..1..1..0..1....1..1..0..1..1..0..1..1..1
CROSSREFS
Sequence in context: A083602 A105655 A124411 * A205939 A278585 A288355
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 10 2015
STATUS
approved