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 A278892 Number of nX4 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes. 1
 1, 12392, 6888340, 2058210408, 430110958155, 69420349158080, 9164480794983836, 1029371666008338780, 101224646155024674325, 8900210716755685218198, 710786174826504133948822, 52173165758812211838931296 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 4 of A278896. LINKS R. H. Hardin, Table of n, a(n) for n = 1..133 EXAMPLE Some solutions for n=2 ..1..3..3..1. .2..3..3..1. .2..3..1..3. .1..0..1..1. .2..2..0..2 ..0..0..2..1. .1..0..1..3. .2..2..3..0. .0..3..0..1. .1..3..1..1 CROSSREFS Cf. A278896. Sequence in context: A140938 A202563 A061731 * A248084 A224120 A233964 Adjacent sequences:  A278889 A278890 A278891 * A278893 A278894 A278895 KEYWORD nonn AUTHOR R. H. Hardin, Nov 30 2016 STATUS approved

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Last modified September 19 04:06 EDT 2020. Contains 337175 sequences. (Running on oeis4.)