T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock.
A235932
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock.
Terms
- a(0) =168a(1) =1788a(2) =1788a(3) =18992a(4) =51736a(5) =18992a(6) =201976a(7) =1490648a(8) =1490648a(9) =201976a(10) =2146656a(11) =43061840a(12) =116219056a(13) =43061840a(14) =2146656a(15) =22822704a(16) =1242490716a(17) =9098402456a(18) =9098402456a(19) =1242490716a(20) =22822704a(21) =242602688a(22) =35871300604a(23) =710992703856
External references
- oeis: A235932