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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A278734.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..133

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

Adjacent sequences:  A278727 A278728 A278729 * A278731 A278732 A278733

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 27 2016

STATUS

approved

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Last modified June 19 19:11 EDT 2019. Contains 324222 sequences. (Running on oeis4.)