A278370 Number of nX6 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

77, 194726, 138641633, 71569971497, 30875729085512, 11975306266312114, 4248736162137280596, 1369281911256465678346, 399847654202980383002891, 106575448365556432324891769, 26256730686462803008566514303

Offset

1,1

Comments

Column 6 of A278372.

Links

R. H. Hardin, Table of n, a(n) for n = 1..45

Example

Some solutions for n=2
..1..0..1..2..0..2. .2..1..2..0..1..2. .1..2..0..0..1..1. .0..2..0..1..1..0
..0..1..2..2..1..1. .0..0..2..1..1..1. .0..2..0..1..2..1. .1..1..1..1..0..1

Crossrefs

Cf. A278372.

Sequence in context: A271245 A196543 A201983 * A278654 A331630 A098024

Adjacent sequences: A278367 A278368 A278369 * A278371 A278372 A278373

Keyword

nonn

Author

R. H. Hardin, Nov 19 2016

Status

approved