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A186046
Number of (n+2)X5 binary arrays with each 3X3 subblock singular
1
12278, 224698, 4071834, 69579654, 1231779874, 21790214094, 384595851458, 6808982811886, 120583672850434, 2135856648045198, 37846168273108354, 670699974248523022, 11887026695049436738, 210692726936282537230
OFFSET
1,1
COMMENTS
Column 3 of A186052
LINKS
EXAMPLE
Some solutions for 4X5
..0..1..0..1..1....0..0..1..1..0....0..0..1..0..1....0..0..1..1..1
..1..1..0..1..1....0..0..1..1..0....0..0..0..0..1....0..0..1..0..0
..0..1..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..1..0..0
..0..0..0..1..1....1..1..1..0..1....0..1..1..0..0....1..0..0..1..1
CROSSREFS
Sequence in context: A254548 A254555 A254478 * A358320 A358022 A262625
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 11 2011
STATUS
approved