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A222518 Number of nX4 0..3 arrays with exactly floor(nX4/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order 1
3, 9, 37, 206, 1111, 26513, 221659, 6043652, 56070649, 1573702327, 14644968953, 408818223648, 3869679949709, 106284839137519, 1021535069202511, 27650305434512778, 269672290550777351, 7194730625200174103 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A222522

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..92

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A030803 A300170 A155159 * A107886 A220452 A130407

Adjacent sequences:  A222515 A222516 A222517 * A222519 A222520 A222521

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 23 2013

STATUS

approved

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Last modified September 20 08:10 EDT 2021. Contains 347577 sequences. (Running on oeis4.)