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A206510 Number of (n+1)X7 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards 1
614367, 103812645, 13397007426, 1444445274765, 138401623325535, 12197461566772314, 1009956457230227994, 79674032690709828993, 6046585204361960568003, 444577014495524485388130 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A206512
LINKS
EXAMPLE
Some solutions for n=4
..0..2..2..2..1..2..0....2..1..2..2..1..2..0....1..1..0..2..1..2..2
..1..2..1..0..2..0..1....2..2..2..0..0..2..1....2..2..1..0..2..1..0
..2..1..0..1..0..1..2....2..0..1..2..1..0..2....0..0..2..1..0..2..1
..1..2..1..2..1..2..0....0..2..2..0..2..1..0....2..1..0..2..1..0..2
..1..0..2..0..2..1..2....2..1..0..1..0..2..1....1..0..1..0..2..1..0
CROSSREFS
Sequence in context: A230009 A156866 A317480 * A172635 A172707 A254913
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 08 2012
STATUS
approved

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Last modified April 24 14:32 EDT 2024. Contains 371960 sequences. (Running on oeis4.)