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A232299
Number of 5Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally
1
1, 1727, 240241, 25116353, 2885285507, 339565321435, 39660722273643, 4626194825153697, 539876319125367771, 63007847133734278905, 7353315697711530754635, 858164092027643141044841
OFFSET
1,2
COMMENTS
Row 5 of A232295
LINKS
EXAMPLE
Some solutions for n=2
..1..2....1..2....2..2....2..2....1..2....1..2....0..1....2..1....2..1....2..2
..1..1....2..1....2..2....1..2....2..2....1..2....2..2....2..2....0..2....1..2
..2..2....2..2....2..2....2..0....2..2....1..0....1..0....0..1....1..1....1..1
..2..0....2..1....2..1....1..2....0..1....2..1....1..2....2..1....2..1....2..1
..1..2....2..1....1..2....2..1....2..1....0..2....1..2....2..2....2..2....1..2
CROSSREFS
Sequence in context: A271045 A031814 A020427 * A280841 A305474 A302142
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 22 2013
STATUS
approved