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A222354 Number of nX2 0..1 arrays with no more than floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order 1
1, 1, 1, 8, 9, 42, 48, 222, 255, 1237, 1435, 6923, 8076, 39180, 45912, 223658, 263053, 1284616, 1515348, 7417011, 8770695, 43007282, 50961868, 250270093, 297083762, 1460832023, 1736730995, 8549309427, 10177500240, 50147906416, 59768368860 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Column 2 of A222360

LINKS

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

EXAMPLE

All solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A317379 A298665 A284822 * A041933 A041138 A048068

Adjacent sequences:  A222351 A222352 A222353 * A222355 A222356 A222357

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 16 2013

STATUS

approved

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Last modified June 29 15:47 EDT 2022. Contains 354913 sequences. (Running on oeis4.)