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A186057
Number of (n+2)X5 binary arrays with each 3X3 subblock having a positive determinant
1
792, 5050, 26868, 128303, 743667, 3894282, 19416799, 109272739, 574576902, 2902540637, 16077234286, 84997177389, 432488680193, 2368938184744, 12575903584335, 64351855121584, 349481604164871, 1860335476319039
OFFSET
1,1
COMMENTS
Column 3 of A186063
LINKS
EXAMPLE
Some solutions for 4X5
..0..1..1..1..1....1..0..0..1..1....0..0..1..0..0....1..1..1..0..1
..1..0..1..1..0....1..1..0..0..1....1..0..0..1..0....1..0..0..1..0
..1..0..0..1..0....0..1..1..0..0....0..1..0..1..1....1..1..0..1..1
..1..1..0..1..1....1..0..1..1..1....0..0..1..1..1....0..1..1..1..0
CROSSREFS
Sequence in context: A351670 A282547 A104398 * A027817 A104680 A037190
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 11 2011
STATUS
approved