Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
A236426
Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =12373a(1) =544380a(2) =24143945a(3) =987221751a(4) =38520605664
External references
- oeis: A236426