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A252909 Number of (n+2)X(5+2) 0..3 arrays with every consecutive three elements in every row and column having exactly 2 distinct values, in every diagonal 1 or 2 distinct values, in every antidiagonal 2 or 3 distinct values, and new values 0 upwards introduced in row major order 1
148002, 1984711, 31101826, 551697392, 10071548995, 185083140208, 3432079272308, 63917781774130, 1189216087999842, 22172790012297477, 413807264155508155, 7714424687633807507, 143952001359423896720 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A252910

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A195363 A224424 A065323 * A254088 A254095 A029566

Adjacent sequences:  A252906 A252907 A252908 * A252910 A252911 A252912

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 24 2014

STATUS

approved

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Last modified September 22 19:36 EDT 2021. Contains 347608 sequences. (Running on oeis4.)