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A278609 Number of nX6 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. 1
728, 6208804, 23974522382, 70116431548595, 170796560376996116, 371605658574170955728, 735153310928503394971889, 1316116591708918219524268204, 2130452882466065540184080423698 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A278610.

LINKS

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

EXAMPLE

Some solutions for n=1

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

CROSSREFS

Cf. A278610.

Sequence in context: A203664 A265103 A050790 * A278894 A214106 A045791

Adjacent sequences:  A278606 A278607 A278608 * A278610 A278611 A278612

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 23 2016

STATUS

approved

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Last modified October 27 09:08 EDT 2020. Contains 338035 sequences. (Running on oeis4.)