T(n,k) = Number of (n+1) X (k+1) 0..2 arrays colored with the maximum plus the lower median of every 2 X 2 subblock.
A236719
T(n,k) = Number of (n+1) X (k+1) 0..2 arrays colored with the maximum plus the lower median of every 2 X 2 subblock.
Terms
- a(0) =81a(1) =398a(2) =398a(3) =1940a(4) =2262a(5) =1940a(6) =9608a(7) =12276a(8) =12276a(9) =9608a(10) =47952a(11) =68906a(12) =68892a(13) =68906a(14) =47952a(15) =237952a(16) =391672a(17) =380270a(18) =380270a(19) =391672a(20) =237952a(21) =1181504a(22) =2259386a(23) =2285619a(24) =2393308a(25) =2285619a(26) =2259386a(27) =1181504a(28) =5866176a(29) =12874198
External references
- oeis: A236719