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A278795 Number of nX4 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes. 1
65, 34348, 7196852, 1038462658, 118098679534, 11262497170744, 935318457135084, 69345852411053594, 4667384731526157594, 288452158499377948116, 16500830203851397115132, 878891304960177782094219 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A278798.

LINKS

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

EXAMPLE

Some solutions for n=2

..3..3..0..1. .2..2..3..0. .2..1..2..3. .2..3..0..0. .1..2..3..0

..3..1..0..1. .2..0..1..3. .2..3..1..1. .0..3..3..3. .3..2..3..0

CROSSREFS

Cf. A278798.

Sequence in context: A084225 A278550 A177652 * A289946 A219564 A183238

Adjacent sequences:  A278792 A278793 A278794 * A278796 A278797 A278798

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2016

STATUS

approved

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Last modified August 20 06:25 EDT 2019. Contains 326139 sequences. (Running on oeis4.)