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A222483 Number of nX3 0..2 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order 1
0, 4, 6, 85, 365, 3696, 14928, 159062, 645704, 7158232, 28604092, 328610072, 1296477288, 15279837312, 59712212872, 716028671796, 2782912936084, 33742870102928, 130808705085792, 1597212351282064, 6187399238975776 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 3 of A222488
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1....0..1..2....0..0..0....0..0..0....0..0..0....0..1..2....0..1..1
..0..1..2....1..1..0....0..0..1....0..0..1....0..0..0....0..0..0....2..1..0
..1..1..1....1..1..1....0..0..0....0..0..0....0..0..0....0..0..0....1..1..1
..1..1..1....1..1..1....0..0..2....1..0..0....0..1..1....0..0..0....1..1..1
CROSSREFS
Sequence in context: A196814 A213335 A101138 * A245011 A012897 A013079
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 22 2013
STATUS
approved

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Last modified June 21 09:34 EDT 2024. Contains 373543 sequences. (Running on oeis4.)