A278795 - OEIS

A278795

Number of n X 4 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes.

65, 34348, 7196852, 1038462658, 118098679534, 11262497170744, 935318457135084, 69345852411053594, 4667384731526157594, 288452158499377948116, 16500830203851397115132, 878891304960177782094219, 43788704970632405698713439, 2048518813765704043678494853

(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