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A263331
Number of (n+2) X (2+2) 0..2 arrays with each row and column divisible by 11, read as a base-3 number with top and left being the most significant digits.
1
1, 6, 38, 226, 1620, 12653, 100234, 805414, 6438451, 51548551, 412613602, 3302975055, 26430263612, 211464552217, 1691780506515, 13534316856401, 108275532447418, 866206527440326, 6929660831723566, 55437290533519366
OFFSET
1,2
COMMENTS
Column 2 of A263333.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..2....0..0..0..0....0..1..0..2....2..0..0..1....0..2..1..1
..0..2..1..1....2..1..1..0....2..2..1..2....0..2..1..1....2..1..1..0
..2..2..1..2....0..1..0..2....0..0..0..0....0..0..0..0....1..1..2..2
..1..0..2..0....0..0..0..0....0..0..0..0....1..0..2..0....1..0..2..0
..1..1..2..2....1..0..2..0....1..0..2..0....0..1..0..2....0..0..0..0
..0..0..0..0....0..2..1..1....0..2..1..1....0..0..0..0....0..0..0..0
CROSSREFS
Cf. A263333.
Sequence in context: A281803 A288030 A264502 * A026296 A037499 A037676
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 15 2015
STATUS
approved