T(n,k) is the number of (n+2) X (k+2) 0..6 arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.
A186915
T(n,k) is the number of (n+2) X (k+2) 0..6 arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.
Terms
- a(0) =2066505a(1) =59969593a(2) =59969593a(3) =1276581035a(4) =2974946682a(5) =1276581035a(6) =22000126445a(7) =99241308567a(8) =99241308567a(9) =22000126445a(10) =319741716426a(14) =319741716426
External references
- oeis: A186915