Number of aperiodic ternary necklaces with n beads of each color and no adjacent beads of the same color.
A141148
Number of aperiodic ternary necklaces with n beads of each color and no adjacent beads of the same color.
Terms
- a(0) =2a(1) =3a(2) =14a(3) =65a(4) =346a(5) =1929a(6) =11442a(7) =70310a(8) =445928a(9) =2896239a(10) =19186738a(11) =129184583a(12) =881808726a(13) =6089840427a(14) =42482905678a(15) =298976072384
External references
- oeis: A141148