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A184468
1/6 the number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last
2
315, 2755, 14119, 53739, 247879, 904411, 2909367
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A184477
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions with a(1,1)=0 for 4X4
..0..2..1..0....0..2..1..0....0..1..2..0....0..0..1..1....0..2..1..0
..0..0..0..0....1..1..2..2....0..0..1..1....1..0..0..0....1..1..2..1
..1..1..1..1....2..2..1..1....1..0..1..0....1..2..1..1....1..2..2..1
..0..1..2..0....1..0..2..1....2..0..1..2....0..0..1..1....1..2..0..1
CROSSREFS
Sequence in context: A184469 A088010 A145753 * A231760 A048905 A200314
Adjacent sequences: A184465 A184466 A184467 * A184469 A184470 A184471
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 15 2011
STATUS
approved

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Last modified October 28 06:07 EDT 2024. Contains 377146 sequences.
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