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..2 nXk array.
A220545
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..2 nXk array.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =8a(5) =4a(6) =8a(7) =38a(8) =38a(9) =8a(10) =16a(11) =176a(12) =395a(13) =176a(14) =16a(15) =32a(16) =816a(17) =3778a(18) =3778a(19) =816a(20) =32a(21) =64a(22) =3616a(23) =32126a(24) =64968a(25) =32126a(26) =3616a(27) =64a(28) =128a(29) =15362
External references
- oeis: A220545