A254172 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
348032, 6159516, 119471400, 2437141776, 47722312832, 910592737776, 17154177879840, 320795556150368, 5990669265231248, 111829906812254944, 2087633151218299392, 38972776946929655072, 727593935236788680400
Offset: 1
Keywords
Examples
Some solutions for n=1 ..0..0..1....0..0..0....0..0..1....1..0..0....0..0..1....0..0..1....0..0..1 ..1..0..1....0..0..1....0..0..1....0..0..0....0..0..1....1..0..1....1..0..1 ..1..1..0....0..0..0....0..1..0....1..1..1....1..1..0....1..1..0....1..1..1 ..1..1..1....1..0..1....0..1..1....0..0..0....1..1..0....1..1..0....0..1..0 ..1..0..1....1..1..0....1..1..0....0..1..0....0..0..0....1..1..0....1..1..1 ..1..1..0....1..1..1....1..0..0....0..1..0....0..0..1....1..0..1....1..1..0 ..0..1..0....1..0..1....0..0..0....0..0..1....0..0..1....1..1..0....1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments