A278653 Number of nX5 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.

6, 19893, 6920404, 1386399220, 208991393214, 25885621037640, 2738085955639984, 253197559557136896, 20837244744657222577, 1548877617380719532356, 105295704767594170862145, 6615650045831782073579069

Offset

1,1

Comments

Column 5 of A278656.

Links

R. H. Hardin, Table of n, a(n) for n = 1..101

Example

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

Crossrefs

Cf. A278656.

Sequence in context: A079192 A278369 A283886 * A376824 A283887 A241650

Adjacent sequences: A278650 A278651 A278652 * A278654 A278655 A278656

Keyword

nonn

Author

R. H. Hardin, Nov 25 2016

Status

approved