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A207583 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically 1
2, 16, 60, 432, 3094, 25776, 263550, 3832616, 69396520, 1475600124, 38962584092, 1441585611138, 67002761499928, 3878723937334928, 264400592646069420, 24784751879627310504, 3083505379073129163384, 470186218198870776234068 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A207589

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..25

EXAMPLE

Some solutions for n=4

..0..1..1..0....1..1..0..0....0..1..1..0....1..1..1..1....1..0..1..0

..1..0..1..1....1..0..1..0....1..0..1..0....1..0..1..1....1..1..0..1

..0..1..0..0....0..1..0..0....1..1..0..0....0..1..0..0....0..1..1..0

..1..0..1..0....1..1..1..0....0..1..1..0....0..1..1..0....1..0..1..1

CROSSREFS

Sequence in context: A209219 A207688 A208495 * A152665 A183762 A061608

Adjacent sequences:  A207580 A207581 A207582 * A207584 A207585 A207586

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 19 2012

STATUS

approved

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Last modified October 18 06:50 EDT 2021. Contains 348066 sequences. (Running on oeis4.)