A278361 Number of nX6 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.

35, 708, 12875, 229887, 4058169, 72941420, 1349344763, 24833319003, 434369879650, 7020524920612, 103836961295947, 1406134058397670, 17515133713282586, 201855377733718709, 2164799756963542782

Offset

1,1

Comments

Column 6 of A278363.

Links

R. H. Hardin, Table of n, a(n) for n = 1..153

R. H. Hardin, Empirical polynomial of degree 127

Formula

Empirical polynomial of degree 127 (see link above)

Example

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

Crossrefs

Cf. A278363.

Sequence in context: A112504 A140405 A367250 * A145603 A326865 A139641

Adjacent sequences: A278358 A278359 A278360 * A278362 A278363 A278364

Keyword

nonn

Author

R. H. Hardin, Nov 19 2016

Status

approved