A278322 Number of nX5 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

6, 395, 9714, 186987, 3058990, 43798840, 570738085, 7010453565, 82490704797, 927749763030, 9874571566773, 98622311006346, 920542037366117, 8028589976371346, 65570255252201804, 503146509213296224

Offset: 1

Author

R. H. Hardin, Nov 18 2016

Keywords

• nonn

Comments

Column 5 of A278325.

Examples

			Some solutions for n=4
..0..1..1..1..1. .0..0..1..1..0. .0..0..0..0..0. .0..0..1..1..1
..0..0..0..0..1. .0..1..0..1..1. .1..0..0..1..1. .0..0..0..0..1
..0..1..1..0..0. .0..1..0..1..0. .0..0..1..0..1. .0..0..1..0..0
..1..0..0..0..0. .1..1..1..1..0. .1..0..1..0..1. .0..0..1..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical polynomial of degree 95

Crossrefs

Cf. A278325.

Formula

Empirical polynomial of degree 95 (see link above)