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A222688 Number of nX6 0..2 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order 1
8, 237, 7248, 288829, 12765040, 589802909, 27752564898, 1319414370191, 63167849881088, 3040537134742112, 146998128651407720, 7133080659964442596, 347227736612764543176, 16948792785655500564103, 829276538811229078591786 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A222690

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A134504 A145418 A240431 * A254927 A221466 A334712

Adjacent sequences:  A222685 A222686 A222687 * A222689 A222690 A222691

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 28 2013

STATUS

approved

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Last modified October 21 17:37 EDT 2021. Contains 348155 sequences. (Running on oeis4.)