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A186899 Number of (n+1)X7 binary arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants 1
1832, 3106, 13894, 49303, 158437, 703983, 2920816, 12599670, 53255787, 237167117, 1038281562, 4647395617, 20681940139, 93309139005, 418804020410, 1894879906701, 8562258497610, 38852481809967, 176061963009807 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A186902
LINKS
EXAMPLE
Some solutions for 3X7
..1..1..0..1..0..0..0....1..0..0..1..0..1..0....0..1..1..1..0..0..1
..1..1..1..1..1..0..0....1..0..1..1..1..1..1....0..0..0..1..1..0..1
..0..0..1..0..1..0..0....1..0..1..0..1..0..1....0..1..1..1..0..0..0
CROSSREFS
Sequence in context: A031804 A054813 A320720 * A185484 A133539 A234492
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 28 2011
STATUS
approved

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Last modified April 14 20:39 EDT 2024. Contains 371667 sequences. (Running on oeis4.)