Row sums of A103441. Number of two-colored bracelets of n beads with different sets of distances among the white beads.
A103442
Row sums of A103441. Number of two-colored bracelets of n beads with different sets of distances among the white beads.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =6a(4) =11a(5) =16a(6) =27a(7) =44a(8) =73a(9) =124a(10) =199a(11) =372a(12) =613a(13) =1142a(14) =1874a(15) =3926a(16) =6209a(17) =13660a(18) =21539a(19) =46240a(20) =80142
External references
- oeis: A103442