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A229528 Number of defective 3-colorings of an n X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order 0
0, 4, 58, 3064, 221096, 34811238, 10551803060, 6668992563052, 8651918812282962, 23339962598582951552, 131977442018454063156484, 1555694872005636764531499932, 38779168607364170627075586723246 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A229534

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A216795 A216352 A295406 * A109056 A155204 A290765

Adjacent sequences:  A229525 A229526 A229527 * A229529 A229530 A229531

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 25 2013

STATUS

approved

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Last modified May 19 17:48 EDT 2019. Contains 323395 sequences. (Running on oeis4.)