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A206315 Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two, and every 2X2 determinant nonzero 1
418468, 77132181, 14309749540, 2656145209648, 492612276280514, 91342748577948857, 16933907482183625564, 3139181759716837800994, 581918239365125184573987, 107870252944675279760828811 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A206318
LINKS
EXAMPLE
Some solutions for n=4
..2..0..3..0..1..0....3..2..3..1..2..2....3..2..1..1..0..1....1..3..0..2..3..0
..1..1..0..1..0..3....2..1..2..1..0..3....1..0..3..2..1..0....3..1..3..0..2..2
..0..3..1..3..2..0....0..2..3..2..1..0....2..1..0..3..2..1....1..3..0..1..0..3
..2..0..2..1..3..1....3..2..0..3..2..1....3..2..1..0..3..2....2..0..1..3..2..1
..3..1..3..2..1..2....2..3..1..0..3..2....1..3..2..1..0..3....1..2..1..0..3..2
CROSSREFS
Sequence in context: A259404 A116936 A255081 * A184373 A164729 A164730
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2012
STATUS
approved

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Last modified July 19 00:30 EDT 2024. Contains 374388 sequences. (Running on oeis4.)