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A222664 Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order 1
8, 103, 2686, 62406, 2169240, 85836756, 4437593254, 258544501925, 16020345244330, 1025854594717790, 66890197022992724, 4395700169818174037, 289565680501179990654, 19097764345956813578074, 1260427355737644652915392 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A222666

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..23

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A333985 A297069 A090237 * A190786 A138430 A164760

Adjacent sequences:  A222661 A222662 A222663 * A222665 A222666 A222667

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 28 2013

STATUS

approved

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Last modified December 2 14:43 EST 2021. Contains 349445 sequences. (Running on oeis4.)