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A278552 Number of nX6 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. 1
2128, 4880813, 9647190761, 19154084929099, 35461508433808988, 57645968168131680420, 82417111259567413303205, 106532272120153272376122742, 128078032305270145287175836766 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A278553.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for n=1

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

CROSSREFS

Cf. A278553.

Sequence in context: A248485 A321117 A337644 * A278797 A251134 A338070

Adjacent sequences:  A278549 A278550 A278551 * A278553 A278554 A278555

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 23 2016

STATUS

approved

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Last modified December 6 13:45 EST 2021. Contains 349563 sequences. (Running on oeis4.)