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A206314 Number of (n+1)X5 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two, and every 2X2 determinant nonzero 1
53463, 4466450, 375274347, 31585648103, 2656145209648, 223458785606871, 18792437854613234, 1580709874695673480, 132941278551460873763, 11181607230811497171290, 940424480197031998954820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A206318

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..3..2..2..1..1....0..1..2..2..1....1..1..0..3..2....1..2..2..1..0

..2..1..0..3..2....1..0..1..3..2....3..2..1..0..3....1..0..3..2..1

..3..2..1..0..3....0..1..0..1..3....1..3..2..1..0....2..1..0..3..2

..2..3..2..1..0....1..2..1..2..0....3..2..3..2..1....0..3..2..0..3

..2..0..3..2..1....2..3..2..1..2....2..0..1..3..2....1..0..3..1..0

CROSSREFS

Sequence in context: A164519 A237180 A186199 * A237373 A251369 A252035

Adjacent sequences:  A206311 A206312 A206313 * A206315 A206316 A206317

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2012

STATUS

approved

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Last modified December 5 17:28 EST 2021. Contains 349557 sequences. (Running on oeis4.)