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A254977
Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 and no column sum 0
1
94351, 2243657, 57587977, 951267911, 18669294271, 386436174713, 7506000777648, 145847668391275, 2900830105049490, 57118339761224326, 1122049943267876632, 22112705475392097501, 435706316389694278197, 8575771122835177541348
OFFSET
1,1
COMMENTS
Column 7 of A254978
LINKS
EXAMPLE
Some solutions for n=1
..1..0..1..1..1..0..1..1..0....1..1..1..0..1..0..1..0..0
..1..0..1..0..1..0..1..1..1....0..1..1..0..1..0..1..1..1
..1..1..1..1..1..1..1..1..1....0..1..1..1..1..1..1..1..0
CROSSREFS
Sequence in context: A258892 A204473 A031675 * A238143 A110845 A348021
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 11 2015
STATUS
approved