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A278371 Number of nX7 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. 1
504, 1734714, 2705568336, 3591161445506, 4136952690048454, 4248736162137280596, 4011624465030914131298, 3517606541854514840072201, 2856064084629269952289923184, 2141447684516773807277095689406 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A278372.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=1

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

CROSSREFS

Cf. A278372.

Sequence in context: A000706 A289637 A226266 * A278655 A068299 A003798

Adjacent sequences:  A278368 A278369 A278370 * A278372 A278373 A278374

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2016

STATUS

approved

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Last modified August 13 10:40 EDT 2022. Contains 356080 sequences. (Running on oeis4.)