A254173 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
1511152, 36538548, 1054310240, 31143715804, 886761490936, 24789263869340, 684072377169008, 18738106424812380, 512823923719769272, 14030281670008005564, 383831267774223029112, 10500422875690342522680
Offset: 1
Keywords
Examples
Some solutions for n=1 ..0..0..0....0..0..0....0..0..0....0..0..0....1..0..0....0..0..0....0..0..0 ..0..0..1....0..0..0....1..0..1....1..0..1....1..0..0....0..0..1....0..1..0 ..1..1..0....0..1..0....0..1..0....1..1..0....0..0..0....1..1..0....1..0..0 ..0..1..1....1..0..1....0..0..0....1..1..0....1..1..0....1..1..1....0..1..0 ..1..1..1....1..1..0....0..0..0....1..0..0....0..0..0....1..1..0....1..1..0 ..0..0..0....1..1..0....1..0..0....1..1..1....0..1..0....0..0..0....0..0..1 ..0..0..0....1..0..0....0..0..0....0..0..1....0..0..0....0..1..1....1..0..0 ..0..0..1....0..0..0....0..0..0....0..0..0....1..1..1....0..1..1....0..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments