T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..1 nXk array.
A220287
T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..1 nXk array.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =4a(5) =4a(6) =8a(7) =31a(8) =31a(9) =8a(10) =16a(11) =96a(12) =139a(13) =96a(14) =16a(15) =32a(16) =424a(17) =1411a(18) =1411a(19) =424a(20) =32a(21) =64a(22) =1422a(23) =9430a(24) =15382a(25) =9430a(26) =1422a(27) =64a(28) =128a(29) =5504
External references
- oeis: A220287