Number of (n+1)X(1+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235749
Number of (n+1)X(1+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =256a(1) =2648a(2) =26852a(3) =231182a(4) =1922672a(5) =14817810a(6) =110573053a(7) =791130664a(8) =5516314404a(9) =37453877908a(10) =249324764892
External references
- oeis: A235749