T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock.
A235911
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock.
Terms
- a(0) =48a(1) =260a(2) =260a(3) =1408a(4) =2618a(5) =1408a(6) =7632a(7) =26408a(8) =26408a(9) =7632a(10) =41344a(11) =267548a(12) =499136a(13) =267548a(14) =41344a(15) =224064a(16) =2707568a(17) =9533120a(18) =9533120a(19) =2707568a(20) =224064a(21) =1213952a(22) =27447272a(23) =181855488a(24) =345346064a(25) =181855488a(26) =27447272a(27) =1213952a(28) =6578432
External references
- oeis: A235911