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

1,2

Comments

Column 6 of A201384

Links

R. H. Hardin, Table of n, a(n) for n = 1..90

Example

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

Crossrefs

Sequence in context: A016230 A327961 A278276 * A101186 A295778 A115204

Adjacent sequences: A201379 A201380 A201381 * A201383 A201384 A201385

Keyword

nonn

Author

R. H. Hardin Nov 30 2011

Status

approved