Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.
A236981
Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =888a(1) =3852a(2) =16212a(3) =85064a(4) =429108a(5) =2380742a(6) =12891190a(7) =73033832a(8) =407662600a(9) =2333365070a(10) =13220203386a(11) =76129805278a(12) =435052159304
External references
- oeis: A236981