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A278384 Number of nX7 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. 1
8, 5936, 652343, 50473056, 3325788157, 198563803019, 11105331450864, 586395701904408, 29015321337746085, 1335864857344408243, 57236190892283185233, 2296849324984530935992, 87126825773953105905476 (list; graph; refs; listen; history; text; internal format)
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: A317732 A179151 A079189 * A114133 A221233 A173190

Adjacent sequences:  A278381 A278382 A278383 * A278385 A278386 A278387

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 20 2016

STATUS

approved

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Last modified October 15 13:36 EDT 2018. Contains 316236 sequences. (Running on oeis4.)