T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock.
A236601
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock.
Terms
- a(0) =256a(1) =2596a(2) =2596a(3) =25950a(4) =55000a(5) =25950a(6) =256376a(7) =1110784a(8) =1110784a(9) =256376a(10) =2525698a(11) =21573924a(12) =44087440a(13) =21573924a(14) =2525698a(15) =24922062a(16) =415734304a(17) =1595240268a(18) =1595240268a(19) =415734304a(20) =24922062a(21) =246386369a(22) =8222889690a(23) =59688228619
External references
- oeis: A236601