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A222288 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order 1
4, 44, 532, 6619, 89852, 1249354, 17801910, 256986006, 3744123550, 55066210090, 815041154350, 12128319606229, 181260757915998, 2718723553039248, 40900893166050078, 616897705864541974, 9325074227006211226 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A222290
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1....0..0..1..1..1..0....0..0..0..0..0..1....0..0..0..0..0..1
..0..0..0..0..1..1....0..1..1..1..1..1....1..0..0..0..0..0....0..0..0..0..1..1
..0..0..0..0..1..0....1..1..1..1..1..0....0..1..0..0..0..0....0..0..0..1..1..0
..0..0..0..1..1..0....1..1..1..1..1..0....0..1..0..0..0..0....0..0..0..0..1..1
CROSSREFS
Sequence in context: A342346 A082779 A223053 * A053315 A005721 A103870
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 14 2013
STATUS
approved

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Last modified May 28 12:20 EDT 2024. Contains 372913 sequences. (Running on oeis4.)