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A222324 Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order 1
3, 7, 19, 52, 165, 835, 3307, 14419, 66213, 302731, 1350601, 6283864, 28864821, 132830017, 617677553, 2862431936, 13363660417, 62171655121, 291908874951, 1362607426103, 6418589261153, 30080186463929, 142028701850239 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A222328
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..1..1..1....0..0..0..1....0..0..0..0....0..0..0..1
..0..0..0..1....0..1..1..1....1..1..1..1....0..0..0..0....0..0..0..0
..0..0..0..1....0..1..1..1....1..1..1..1....1..0..0..0....0..0..0..1
..0..0..0..0....1..1..1..1....1..1..1..1....1..1..0..0....0..0..0..0
CROSSREFS
Sequence in context: A320734 A259812 A115254 * A007180 A090378 A059506
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 15 2013
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)