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A222985 Number of n X 7 0..2 arrays with no more than floor(n*7/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. 1
17, 1172, 36987, 4405097, 183010307, 26345532486, 1202086792105, 180821359299832, 8463651301168857, 1290846776123480411, 61103325028133094620, 9391211217321900719984, 447723422606405342204055 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=3:
..0..1..0..1..1..1..1....0..0..0..0..0..1..1....0..1..0..2..2..2..2
..1..1..0..1..1..1..1....0..0..0..0..0..1..1....2..0..2..2..2..2..2
..1..1..2..1..1..1..1....0..0..0..1..0..0..1....2..1..2..2..2..2..2
CROSSREFS
Column 7 of A222986.
Sequence in context: A032629 A232942 A075602 * A229833 A362711 A305872
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2013
STATUS
approved

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Last modified May 20 03:01 EDT 2024. Contains 372703 sequences. (Running on oeis4.)