Number of (n+1)X(4+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock equal.
A236742
Number of (n+1)X(4+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =2907a(1) =46377a(2) =810039a(3) =17740369a(4) =385709603a(5) =8588436417a(6) =191076235235
External references
- oeis: A236742