A278384 Number of nX7 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

8, 5936, 652343, 50473056, 3325788157, 198563803019, 11105331450864, 586395701904408, 29015321337746085, 1335864857344408243, 57236190892283185233, 2296849324984530935992, 87126825773953105905476

Offset

1,1

Comments

Column 7 of A278385.

Links

R. H. Hardin, Table of n, a(n) for n = 1..79

Example

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

Crossrefs

Cf. A278385.

Sequence in context: A179151 A079189 A334517 * A114133 A221233 A173190

Adjacent sequences: A278381 A278382 A278383 * A278385 A278386 A278387

Keyword

nonn

Author

R. H. Hardin, Nov 20 2016

Status

approved