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A278624 Number of nX5 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake. 1
126, 8518, 439446, 21121532, 978005050, 43853346948, 1892563134910, 77595353266488, 2984253200734849, 106802443365088678, 3546576756421791553, 109349563224002187119, 3138905373936577741625, 84191222241450755762521 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A278627.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..101

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A278627.

Sequence in context: A208618 A267835 A202652 * A156931 A075919 A278306

Adjacent sequences:  A278621 A278622 A278623 * A278625 A278626 A278627

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 24 2016

STATUS

approved

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Last modified October 23 23:05 EDT 2021. Contains 348217 sequences. (Running on oeis4.)