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A278730
Number of nX4 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.
1
155, 17352, 1410818, 99992428, 6410559865, 374757577056, 19983433877142, 971720519011047, 43159978267689118, 1757375854436887414, 65916636060336105608, 2289699277183162173304, 74046423246945148450929
OFFSET
1,1
COMMENTS
Column 4 of A278734.
LINKS
EXAMPLE
Some solutions for n=2
..2..0..3..1. .2..0..2..2. .1..1..2..2. .3..0..3..2. .0..3..1..1
..3..2..0..3. .2..2..2..1. .3..1..2..0. .3..1..0..1. .2..0..1..0
CROSSREFS
Cf. A278734.
Sequence in context: A110842 A289300 A220592 * A278432 A299829 A115466
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 27 2016
STATUS
approved