A278382 Number of nX5 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
0, 267, 12910, 368421, 8632118, 179716850, 3325788157, 54735436424, 813247916326, 11132424779200, 142827255320422, 1735129660080135, 20034300716422826, 219810810847095930, 2288305542134926763
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..1..0..1..1. .1..1..1..0..0. .1..0..1..1..0. .1..1..1..0..1 ..0..0..1..1..0. .0..1..1..0..1. .0..0..0..0..0. .0..0..1..0..1 ..1..1..0..0..0. .0..0..0..1..1. .1..0..1..1..1. .1..0..1..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical polynomial of degree 127
Crossrefs
Cf. A278385.
Formula
Empirical polynomial of degree 127 (see link above)
Comments