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A222521 Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order 0
10, 0, 1318, 221659, 3661130, 403328822, 13336494115, 2623707559240, 110441080391104, 34273414749633330, 1654698452610132075, 547206591335521794299, 26849189064917836823060, 8964964956162265960981942 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A222522

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A287129 A287190 A277926 * A068159 A108695 A265373

Adjacent sequences:  A222518 A222519 A222520 * A222522 A222523 A222524

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 23 2013

STATUS

approved

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Last modified October 18 08:58 EDT 2021. Contains 348067 sequences. (Running on oeis4.)