Number of (n+1)X(2+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235750
Number of (n+1)X(2+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =2648a(1) =77708a(2) =2349533a(3) =57181902a(4) =1348418217a(5) =28136789021a(6) =560792477177
External references
- oeis: A235750