T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock.
A236592
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock.
Terms
- a(0) =256a(1) =2968a(2) =2968a(3) =34800a(4) =80008a(5) =34800a(6) =407904a(7) =2181116a(8) =2181116a(9) =407904a(10) =4780656a(11) =59464564a(12) =139039736a(13) =59464564a(14) =4780656a(15) =55986224a(16) =1618144324a(17) =8837067764a(18) =8837067764a(19) =1618144324a(20) =55986224a(21) =655930368a(22) =44032289456a(23) =560696734212
External references
- oeis: A236592