Number of primitive (period n) n-bead necklace structures using a maximum of six different colored beads.
A056302
Number of primitive (period n) n-bead necklace structures using a maximum of six different colored beads.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =11a(5) =39a(6) =125a(7) =532a(8) =2301a(9) =11010a(10) =54681a(11) =284023a(12) =1509851a(13) =8194902a(14) =45080652a(15) =250641356a(16) =1404374247a(17) =7917209005a(18) =44848645457a(19) =255055220735
External references
- oeis: A056302