A201382 Number of nX6 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
1, 13, 122, 1751, 24779, 326650, 3826202, 39589830, 364013320, 3005372641, 22522846792, 154739772302, 983097718721, 5818909235791, 32292922468841, 168956847012130, 837348841763554, 3947230438308504, 17762594565022972
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..0..0..1..1..1....0..0..1..1..1..1....0..0..0..0..0..1....0..0..0..0..0..1 ..0..1..1..0..0..1....0..1..0..0..1..1....0..0..0..0..1..0....0..0..1..1..1..1 ..0..1..1..0..1..1....0..1..1..1..0..1....0..0..1..1..1..1....0..1..0..0..1..0 ..0..1..1..1..0..1....1..0..0..0..0..0....0..1..1..1..1..0....1..1..0..1..1..0 ..1..0..0..0..0..0....1..0..0..1..1..0....1..1..1..1..0..1....1..1..1..0..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..90
Comments