1/24 the number of (n+1)X5 0..3 arrays with every 2X2 subblock containing exactly three distinct values.
A183589
1/24 the number of (n+1)X5 0..3 arrays with every 2X2 subblock containing exactly three distinct values.
Terms
- a(0) =4832a(1) =603766a(2) =74491726a(3) =9207834547
External references
- oeis: A183589