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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

R. H. Hardin, Table of n, a(n) for n = 1..210

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

Adjacent sequences:  A222321 A222322 A222323 * A222325 A222326 A222327

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 15 2013

STATUS

approved

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)