Triangle read by rows: T(n,k) = number of primitive (period n) n-bead bracelet structures using exactly k different colored beads.

A276543

Triangle read by rows: T(n,k) = number of primitive (period n) n-bead bracelet structures using exactly k different colored beads.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =2a(8) =2a(9) =1a(10) =0a(11) =3a(12) =5a(13) =2a(14) =1a(15) =0a(16) =5a(17) =13a(18) =11a(19) =3a(20) =1a(21) =0a(22) =8a(23) =31a(24) =33a(25) =16a(26) =3a(27) =1a(28) =0a(29) =14

External references