T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock.

A236610

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock.

Terms

    a(0) =81a(1) =426a(2) =426a(3) =2269a(4) =3056a(5) =2269a(6) =12004a(7) =21814a(8) =21814a(9) =12004a(10) =63945a(11) =157852a(12) =216432a(13) =157852a(14) =63945a(15) =339684a(16) =1148940a(17) =2192662a(18) =2192662a(19) =1148940a(20) =339684a(21) =1806104a(22) =8334390a(23) =22613889a(24) =32232284a(25) =22613889a(26) =8334390a(27) =1806104a(28) =9590924a(29) =60321850

External references