Number of cyclic compositions (necklaces of positive integers) summing to n that have only one part or whose consecutive parts (including the last with first) are indivisible.

A318729

Number of cyclic compositions (necklaces of positive integers) summing to n that have only one part or whose consecutive parts (including the last with first) are indivisible.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =3a(7) =2a(8) =4a(9) =6a(10) =6a(11) =8a(12) =11a(13) =19a(14) =21a(15) =30a(16) =41a(17) =59a(18) =79a(19) =112a(20) =157a(21) =219a(22) =305a(23) =430a(24) =605a(25) =860a(26) =1210a(27) =1727a(28) =2424a(29) =3463

External references