Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
A235515
Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =9476a(1) =666171a(2) =45985647a(3) =3125826729a(4) =211711499238
External references
- oeis: A235515