Number of (n+1)X(2+1) 0..3 arrays with the maximum of every 2X2 subblock equal.
A236943
Number of (n+1)X(2+1) 0..3 arrays with the maximum of every 2X2 subblock equal.
Terms
- a(0) =2796a(1) =112888a(2) =4301002a(3) =178006252a(4) =7270497452a(5) =302691231316
External references
- oeis: A236943