Number of (n+2)X7 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
A186092
Number of (n+2)X7 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
Terms
- a(0) =531218757a(1) =22408644868a(2) =558643720724
External references
- oeis: A186092