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A222888
Number of nX5 0..2 arrays with exactly floor(nX5/2) elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order
1
16, 1222, 138026, 24893100, 2737507523, 518031070610, 57938967907855, 11279149298276340, 1275220409032117490, 252490047545846068708, 28751346406380329048124, 5756690997936847064344575
OFFSET
1,1
COMMENTS
Column 5 of A222889
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..2..1....0..0..0..1..2....0..1..1..0..2....0..1..2..0..2
..2..0..0..0..2....0..1..2..2..1....1..0..0..1..0....1..2..2..0..1
..0..0..0..2..0....0..2..1..0..2....0..0..0..2..1....0..1..0..2..1
CROSSREFS
Sequence in context: A160131 A206691 A064346 * A113104 A227602 A186856
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 08 2013
STATUS
approved