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A233072 Number of nX7 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 in row major order 1
365, 57122, 11235652, 2293174089, 475027244071, 98950914937033, 20656955820980290, 4315955749032401626, 902039316691285768305, 188549438666892024287013, 39413397925167802927174270 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A233073

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Sequence in context: A275147 A275227 A281610 * A275503 A275400 A275265

Adjacent sequences:  A233069 A233070 A233071 * A233073 A233074 A233075

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2013

STATUS

approved

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Last modified September 21 14:10 EDT 2021. Contains 347598 sequences. (Running on oeis4.)