T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 nXk array.
A220406
T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 nXk array.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =1a(6) =4a(7) =17a(8) =23a(9) =1a(10) =7a(11) =40a(12) =122a(13) =78a(14) =1a(15) =12a(16) =93a(17) =908a(18) =720a(19) =292a(20) =1a(21) =21a(22) =206a(23) =6013a(24) =10989a(25) =4304a(26) =1066a(27) =1a(28) =37a(29) =431
External references
- oeis: A220406