T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..3 nXk array.
A221024
T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..3 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) =168a(12) =371a(13) =168a(14) =16a(15) =32a(16) =726a(17) =3474a(18) =3474a(19) =726a(20) =32a(21) =64a(22) =3088a(23) =30167a(24) =62944a(25) =30167a(26) =3088a(27) =64a(28) =128a(29) =12974
External references
- oeis: A221024