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A208364 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically 1
2, 16, 114, 1953, 67396, 4503765, 570085195, 146860432968, 74897509230292, 75596512299763500, 152131706172601320207, 610735743447136550959464, 4881221988286284651358877549, 77769812914565143635925340729415 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A208369

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A288965 A207420 A207736 * A207711 A162723 A288964

Adjacent sequences:  A208361 A208362 A208363 * A208365 A208366 A208367

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 25 2012

STATUS

approved

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Last modified April 17 13:04 EDT 2021. Contains 343063 sequences. (Running on oeis4.)