A278895 Number of nX7 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.

5328, 112188011, 1123462079180, 9164480794983836, 64434873104394812016, 398752554782396916414790, 2211397160341361569598762016, 11141678773570596201916524869758

Offset

1,1

Comments

Column 7 of A278896.

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Cf. A278896.

Sequence in context: A317917 A187853 A236274 * A317918 A031571 A031751

Adjacent sequences: A278892 A278893 A278894 * A278896 A278897 A278898

Keyword

nonn

Author

R. H. Hardin, Nov 30 2016

Status

approved