T(n,k) = number of nXk 0..1 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(k+1) 0..1 array.
A228986
T(n,k) = number of nXk 0..1 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(k+1) 0..1 array.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =8a(4) =16a(5) =8a(6) =16a(7) =64a(8) =64a(9) =16a(10) =32a(11) =252a(12) =512a(13) =252a(14) =32a(15) =64a(16) =992a(17) =3928a(18) =3928a(19) =992a(20) =64a(21) =128a(22) =3900a(23) =29808a(24) =56472a(25) =29808a(26) =3900a(27) =128a(28) =256a(29) =15328
External references
- oeis: A228986