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A207911 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically 1
18, 324, 1278, 5041, 39831, 314721, 1726758, 9474084, 62431074, 411400089, 2464567047, 14764437081, 92881236582, 584304302404, 3583711091042, 21979959981841, 136591044276099, 848823810045561, 5238992009252400 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A207908
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..1....0..1..1..1....1..0..0..1....1..0..1..1....1..1..0..0
..0..0..1..1....1..1..1..0....0..1..1..0....1..1..0..1....0..1..1..1
..1..1..0..0....0..0..1..1....1..0..0..1....0..0..1..1....1..1..0..0
..0..0..1..1....0..1..1..0....0..1..1..0....1..0..0..1....0..1..1..1
..1..1..0..0....1..0..1..1....1..0..0..1....0..1..1..0....1..1..0..0
..0..0..1..1....0..1..1..0....0..1..1..0....1..0..0..1....0..0..1..1
CROSSREFS
Sequence in context: A207344 A207486 A207267 * A208423 A207783 A207022
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 21 2012
STATUS
approved

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Last modified August 4 04:16 EDT 2024. Contains 374905 sequences. (Running on oeis4.)