A278624 Number of nX5 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.

126, 8518, 439446, 21121532, 978005050, 43853346948, 1892563134910, 77595353266488, 2984253200734849, 106802443365088678, 3546576756421791553, 109349563224002187119, 3138905373936577741625, 84191222241450755762521

Offset

1,1

Comments

Column 5 of A278627.

Links

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

Example

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

Crossrefs

Cf. A278627.

Sequence in context: A352334 A267835 A202652 * A156931 A075919 A278306

Adjacent sequences: A278621 A278622 A278623 * A278625 A278626 A278627

Keyword

nonn

Author

R. H. Hardin, Nov 24 2016

Status

approved