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A273967
Number of nX4 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.
1
15, 1264, 24587, 49534, 36817, 40569, 36570, 90627, 89429, 182457, 100921, 179282, 121279, 301658, 206783, 445549, 325633, 652935, 526099, 1011751, 897383, 1627068, 1524277, 2600188, 2533039, 4097718, 4108747, 6343186, 6487741, 9626296, 9987409
OFFSET
1,1
COMMENTS
Column 4 of A273968.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..2. .0..0..1..2. .0..1..1..2. .0..0..1..2. .0..0..1..1
..3..3..2..3. .1..1..0..0. .0..3..3..2. .3..2..1..2. .2..3..3..3
..0..1..2..0. .3..3..3..2. .3..1..1..2. .2..3..1..3. .1..1..0..0
..3..1..2..0. .0..2..2..1. .2..0..0..0. .0..0..1..3. .3..0..1..2
CROSSREFS
Cf. A273968.
Sequence in context: A120296 A209679 A135810 * A273963 A220179 A373858
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 05 2016
STATUS
approved