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A252902 Number of (n+2)X(4+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order 1
139968, 3255537, 66702186, 1470299799, 31496378270, 686625400736, 14835814827267, 322576038239193, 6989657828455183, 151771815886853461, 3292236549500324844, 71456089714340948727, 1550469560563259849691 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A252904

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A018234 A179583 A252588 * A242143 A156409 A281583

Adjacent sequences:  A252899 A252900 A252901 * A252903 A252904 A252905

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 24 2014

STATUS

approved

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Last modified June 23 18:45 EDT 2021. Contains 345402 sequences. (Running on oeis4.)