Number of length n necklaces with integer entries that cover an initial interval of positive integers.

A019536

Number of length n necklaces with integer entries that cover an initial interval of positive integers.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =20a(4) =109a(5) =784a(6) =6757a(7) =68240a(8) =787477a(9) =10224812a(10) =147512053a(11) =2340964372a(12) =40527565261a(13) =760095929840

External references