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A278551 Number of nX5 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. 1
456, 385040, 256173362, 157222953688, 81144920762300, 35461508433808988, 13763018389926177995, 4934142560387144138930, 1663165686767641686800894, 527405729349278899694924962, 156386875782050138370221520321 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A278553.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..50

EXAMPLE

Some solutions for n=1

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

CROSSREFS

Cf. A278553.

Sequence in context: A278731 A282047 A278433 * A278796 A068259 A036271

Adjacent sequences:  A278548 A278549 A278550 * A278552 A278553 A278554

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 23 2016

STATUS

approved

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Last modified December 1 16:44 EST 2021. Contains 349430 sequences. (Running on oeis4.)