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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2016
STATUS
approved

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)