A267733 Number of nX6 0..1 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.
51, 2601, 132651, 4705642, 163879101, 4977655636, 143643342651, 3885150758271, 100631663710208, 2504347486850059, 60346174969864276, 1413700229500172653, 32327674542336206829, 723763598518295169155, 15905358480144812745511
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..1..0..0..1....0..1..0..0..1..1....0..0..1..0..1..0....0..1..0..1..1..1 ..0..1..0..0..0..0....0..1..0..1..0..0....1..0..1..0..1..0....1..0..1..1..1..1 ..1..0..0..0..1..1....0..1..0..0..1..1....1..0..1..1..1..1....0..0..0..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A267735.
Comments