T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 nXk array.
A221632
T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 nXk array.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =4a(4) =8a(5) =1a(6) =8a(7) =37a(8) =38a(9) =1a(10) =16a(11) =176a(12) =395a(13) =176a(14) =1a(15) =32a(16) =787a(17) =3848a(18) =3575a(19) =816a(20) =1a(21) =64a(22) =3480a(23) =32149a(24) =64828a(25) =30145a(26) =3616a(27) =1a(28) =128a(29) =14865
External references
- oeis: A221632