Number of (n+2)X8 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
A184571
Number of (n+2)X8 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
Terms
- a(0) =33351260a(1) =748499580a(2) =10202200416a(3) =103444456133a(4) =848542379467
External references
- oeis: A184571