T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the lower median of every 2X2 subblock.
A236624
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the lower median of every 2X2 subblock.
Terms
- a(0) =256a(1) =2624a(2) =2624a(3) =26560a(4) =50000a(5) =26560a(6) =272160a(7) =914808a(8) =914808a(9) =272160a(10) =2793840a(11) =16988098a(12) =28872968a(13) =16988098a(14) =2793840a(15) =28623360a(16) =316897424a(17) =915260934a(18) =915260934a(19) =316897424a(20) =28623360a(21) =293206144a(22) =5943956586a(23) =29582562540
External references
- oeis: A236624