T(n,k)=Number of nXk 0..2 arrays with the sum of the absolute differences of each element with its horizontal and vertical neighbors equal to the number of neighbors.
A265887
T(n,k)=Number of nXk 0..2 arrays with the sum of the absolute differences of each element with its horizontal and vertical neighbors equal to the number of neighbors.
Terms
- a(0) =3a(1) =4a(2) =4a(3) =6a(4) =12a(5) =6a(6) =8a(7) =16a(8) =16a(9) =8a(10) =12a(11) =32a(12) =68a(13) =32a(14) =12a(15) =16a(16) =64a(17) =128a(18) =128a(19) =64a(20) =16a(21) =24a(22) =128a(23) =384a(24) =664a(25) =384a(26) =128a(27) =24a(28) =32a(29) =256
External references
- oeis: A265887