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A278359 Number of nX4 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake. 1
10, 96, 701, 4872, 34038, 229887, 1429751, 8023290, 40628537, 187182375, 792488635, 3112464438, 11433026309, 39553920537, 129642951590, 404588606826, 1207383521600, 3458209486713, 9537445039588, 25399009679008, 65477548087465 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A278363.

LINKS

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

R. H. Hardin, Empirical polynomial of degree 31

FORMULA

Empirical polynomial of degree 31 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A278363.

Sequence in context: A307021 A197083 A197086 * A125945 A259497 A190986

Adjacent sequences:  A278356 A278357 A278358 * A278360 A278361 A278362

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2016

STATUS

approved

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Last modified July 4 12:18 EDT 2022. Contains 355075 sequences. (Running on oeis4.)