login
A278606
Number of nX3 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
1
0, 395, 53360, 5985658, 442089480, 23974522382, 1079873605870, 43032494710944, 1543764930874168, 49834351539480647, 1446202850114983762, 37846411522577242503, 898595003941582092008, 19500004359246529094765
OFFSET
1,2
COMMENTS
Column 3 of A278610.
LINKS
EXAMPLE
Some solutions for n=3
..3..1..0. .3..2..2. .3..3..2. .3..3..0. .3..2..3. .3..0..0. .3..3..1
..0..0..3. .3..2..2. .1..1..1. .1..0..3. .2..1..1. .1..2..0. .1..3..2
..3..2..2. .1..2..0. .3..1..2. .3..2..3. .0..3..3. .2..0..0. .1..2..2
CROSSREFS
Cf. A278610.
Sequence in context: A278610 A278605 A278269 * A230450 A247989 A126078
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2016
STATUS
approved