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A229411 Number of nX7 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally 1
11772, 22684613, 46408035676, 95053083585891, 194334416016079648, 397464769862060665547, 812793729526357032659346, 1662077845986538386898746421, 3398973083707574732833877530359 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A229412

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A250695 A250680 A045307 * A235316 A336658 A321158

Adjacent sequences:  A229408 A229409 A229410 * A229412 A229413 A229414

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 22 2013

STATUS

approved

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Last modified October 30 18:01 EDT 2020. Contains 338090 sequences. (Running on oeis4.)