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A222663 Number of nX5 0..3 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order 1
4, 26, 110, 4241, 45666, 2169240, 33001473, 2076266347, 33923371172, 2217501880962, 36915666949865, 2430991563574872, 40568688389904468, 2673738879325523626, 44662243729228870983, 2944415666665507844814 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A222666

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..43

EXAMPLE

Some solutions for n=3

..0..1..0..0..0....0..0..0..0..0....0..0..0..0..1....0..0..0..0..1

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

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

CROSSREFS

Sequence in context: A299670 A299748 A300262 * A267675 A140804 A147621

Adjacent sequences:  A222660 A222661 A222662 * A222664 A222665 A222666

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 28 2013

STATUS

approved

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Last modified May 25 12:30 EDT 2019. Contains 323568 sequences. (Running on oeis4.)