Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically.
A253540
Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically.
Terms
- a(0) =119040a(1) =2801200a(2) =57759744a(3) =1181976144a(4) =23704397056a(5) =477165435664
External references
- oeis: A253540