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A188306 Number of (n+1)X5 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums 1
160, 3036, 30096, 321696, 3415196, 37040856, 396560236, 4280848766, 45974525280, 495422640310, 5328080437862, 57374376030330, 617348839225218, 6645962770531796, 71524119538407004, 769894519113954114 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A188311
LINKS
EXAMPLE
Some solutions for 3X5
..1..0..0..1..0....0..1..1..1..1....0..1..1..1..1....0..1..1..1..1
..1..0..0..1..0....0..0..1..0..1....0..0..0..0..0....1..1..0..0..1
..1..0..0..1..0....0..1..0..1..1....0..1..1..0..1....0..1..1..1..1
CROSSREFS
Sequence in context: A013448 A234650 A214354 * A189351 A168527 A185492
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2011
STATUS
approved

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Last modified July 21 02:16 EDT 2024. Contains 374462 sequences. (Running on oeis4.)