Number of (n+1)X(2+1) 0..3 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235744
Number of (n+1)X(2+1) 0..3 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =2982a(1) =103106a(2) =3493283a(3) =102505743a(4) =2937817702a(5) =78357821891
External references
- oeis: A235744