Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254416
Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =470a(1) =3279a(2) =26783a(3) =238639a(4) =2182689a(5) =20251190a(6) =189197280a(7) =1775014082a(8) =16692481242a(9) =157205933600
External references
- oeis: A254416