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 A278378 Number of n X n 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. 0
 0, 0, 74, 23640, 8632118, 6204309386, 11105331450864, 55821544343692020, 843729327193891754770, 40033544602806238643588014 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Diagonal of A278385. LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=4 ..1..1..0..0. .0..1..0..0. .1..1..1..1. .1..0..1..1. .1..1..0..1 ..0..0..0..1. .1..1..1..0. .1..1..1..0. .0..0..1..1. .0..0..1..0 ..0..0..0..0. .1..1..0..0. .0..0..0..0. .1..0..1..1. .0..1..1..1 ..1..1..0..1. .1..1..0..0. .0..0..1..1. .0..0..0..1. .0..1..0..0 CROSSREFS Cf. A278385. Sequence in context: A337406 A250906 A268090 * A324523 A145695 A116132 Adjacent sequences: A278375 A278376 A278377 * A278379 A278380 A278381 KEYWORD nonn AUTHOR R. H. Hardin, Nov 20 2016 STATUS approved

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Last modified June 3 03:21 EDT 2023. Contains 363103 sequences. (Running on oeis4.)