T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median of every 2X2 subblock.
A236663
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median of every 2X2 subblock.
Terms
- a(0) =81a(1) =518a(2) =518a(3) =3300a(4) =5538a(5) =3300a(6) =21372a(7) =58236a(8) =58236a(9) =21372a(10) =138364a(11) =631692a(12) =1008315a(13) =631692a(14) =138364a(15) =891832a(16) =6798520a(17) =18154174a(18) =18154174a(19) =6798520a(20) =891832a(21) =5750552a(22) =72887588a(23) =322686298a(24) =553867544a(25) =322686298a(26) =72887588a(27) =5750552a(28) =37123784
External references
- oeis: A236663