Number of (n+1)X(1+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235737
Number of (n+1)X(1+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =81a(1) =576a(2) =3992a(3) =26088a(4) =167892a(5) =1060410a(6) =6648825a(7) =41411637a(8) =257111073a(9) =1592383950a(10) =9849348220a(11) =60864784416a(12) =375923971008
External references
- oeis: A235737