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A232669 Number of (n+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, vertically, diagonally or antidiagonally 0
36, 3138, 3684840, 39425246602, 3186295643132436, 2228187972164163391670, 13090931551818224758526323582 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A232677

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A004706 A061844 A036510 * A338076 A303339 A034983

Adjacent sequences:  A232666 A232667 A232668 * A232670 A232671 A232672

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 27 2013

STATUS

approved

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Last modified October 1 07:28 EDT 2022. Contains 357135 sequences. (Running on oeis4.)