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A222396 Number of nX2 0..2 arrays with exactly floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order 1
0, 0, 0, 9, 0, 92, 0, 998, 0, 11136, 0, 124864, 0, 1410976, 0, 16045476, 0, 183423824, 0, 2106121248, 0, 24274382400, 0, 280683965456, 0, 3254633862912, 0, 37830853520448, 0, 440677391796992, 0, 5143023783831776, 0, 60124159059278592 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Column 2 of A222402

LINKS

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

EXAMPLE

All solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A270010 A167319 A231948 * A222516 A057403 A339488

Adjacent sequences:  A222393 A222394 A222395 * A222397 A222398 A222399

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 18 2013

STATUS

approved

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Last modified July 24 11:51 EDT 2021. Contains 346273 sequences. (Running on oeis4.)