A250912 Number of (n+1) X (7+1) 0..2 arrays with no 2 X 2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
21553018, 72721157625, 245114118899485, 826125782084148708, 2784331051704024117237, 9384142308556191112974969, 31627738616791159166366474706, 106596185653227343496197522538691
Offset: 1
Keywords
Examples
Some solutions for n=1 ..0..0..0..0..0..0..1..1....0..0..0..0..1..0..0..2....0..0..0..0..0..0..2..2 ..0..1..1..2..2..0..2..1....1..0..0..2..2..0..0..0....0..0..1..2..1..0..2..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A250913.
Comments