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A234197
Number of (1+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or antidiagonally downwards
1
193264, 8978872, 419125848, 19573980484, 912384722164, 42532059223388, 1982173180145504, 92378684235048829, 4305120870829569714, 200631753433856148893, 9349994205485712568710, 435735692892770095530396
OFFSET
1,1
COMMENTS
Row 1 of A234196
LINKS
EXAMPLE
Some solutions for n=1
..1..0..0....0..3..2....0..3..0....1..2..0....1..3..0....0..0..2....2..2..1
..3..3..0....0..2..0....0..0..0....0..0..3....0..0..0....0..2..1....3..2..3
..2..3..1....3..0..0....0..3..3....1..3..3....1..1..0....0..2..1....1..2..1
CROSSREFS
Sequence in context: A252950 A250689 A234196 * A234191 A183753 A236616
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2013
STATUS
approved