Number of (n+1) X (2+1) 0..3 arrays with the upper median equal to the lower median in every 2 X 2 subblock.
A235851
Number of (n+1) X (2+1) 0..3 arrays with the upper median equal to the lower median in every 2 X 2 subblock.
Terms
- a(0) =688a(1) =9600a(2) =121244a(3) =1629216a(4) =21301696a(5) =283036828a(6) =3731137160a(7) =49409402632a(8) =652743993308
External references
- oeis: A235851