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A278360 Number of nX5 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake. 1
20, 281, 3183, 34038, 366982, 4058169, 44208465, 451571539, 4213513472, 35702217342, 275765596545, 1955472740426, 12826024056862, 78357459733281, 448627173302773, 2420105832394544, 12358148308045511, 59981333718872012 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A278363.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical polynomial of degree 63

FORMULA

Empirical polynomial of degree 63 (see link above)

EXAMPLE

Some solutions for n=4

..0..0..0..1..0. .0..1..1..0..1. .0..0..0..1..1. .0..0..1..0..1

..0..0..1..0..0. .1..0..0..0..0. .0..1..1..1..1. .0..0..1..0..1

..0..0..1..1..1. .1..0..1..0..1. .1..1..1..0..0. .0..1..1..0..0

..0..1..0..1..1. .1..0..1..1..0. .1..0..0..1..1. .1..1..1..1..1

CROSSREFS

Cf. A278363.

Sequence in context: A244653 A012836 A028294 * A019040 A021204 A017953

Adjacent sequences:  A278357 A278358 A278359 * A278361 A278362 A278363

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2016

STATUS

approved

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Last modified November 13 23:01 EST 2019. Contains 329106 sequences. (Running on oeis4.)