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A222363 Number of n X n 0..2 arrays with no more than floor(n X n/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order 0
1, 1, 5, 191, 6214, 2372459, 749968281, 2422966947023 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Diagonal of A222371

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A096543 A209412 A138733 * A015102 A086124 A211505

Adjacent sequences:  A222360 A222361 A222362 * A222364 A222365 A222366

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 17 2013

STATUS

approved

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Last modified February 19 05:12 EST 2018. Contains 299330 sequences. (Running on oeis4.)