Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
A235545
Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =988a(1) =17658a(2) =429443a(3) =9618173a(4) =229990437a(5) =4902247081a(6) =99992110087
External references
- oeis: A235545