A278893 Number of nX5 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.

56, 389640, 518626568, 430110958155, 273949132717772, 143827898685401892, 64434873104394812016, 25210227731914720632036, 8773051977547229666591720, 2756820326309288648206048280, 792154472658215852314325527168

Offset

1,1

Comments

Column 5 of A278896.

Links

R. H. Hardin, Table of n, a(n) for n = 1..50

Example

Some solutions for n=1
..1..2..3..0..2. .1..2..3..0..3. .0..2..3..1..2. .0..2..3..0..2

Crossrefs

Cf. A278896.

Sequence in context: A028670 A278608 A076181 * A101355 A285179 A307938

Adjacent sequences: A278890 A278891 A278892 * A278894 A278895 A278896

Keyword

nonn

Author

R. H. Hardin, Nov 30 2016

Status

approved