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A222377 Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order 0
14, 234, 8111, 342953, 16985929, 963154789, 61522684225, 4169901076870, 296032656700259, 21407365398250792 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A222378

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A230346 A280559 A305862 * A220502 A256462 A166774

Adjacent sequences:  A222374 A222375 A222376 * A222378 A222379 A222380

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 17 2013

STATUS

approved

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Last modified October 14 12:31 EDT 2019. Contains 328006 sequences. (Running on oeis4.)