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A208022 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically 1
2, 16, 102, 1377, 26845, 955073, 56728924, 5753550295, 985606824420, 287995609933240, 142779868614005475, 120212913507245137971, 171965976593899860842629, 417924073201539457547295084 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A208028

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..20

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A208415 A207945 A207853 * A207803 A059204 A187248

Adjacent sequences:  A208019 A208020 A208021 * A208023 A208024 A208025

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 22 2012

STATUS

approved

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Last modified September 18 16:56 EDT 2021. Contains 347532 sequences. (Running on oeis4.)