Any number of necklaces made from n distinct colored beads then linearly arranged in a display case.
A159662
Any number of necklaces made from n distinct colored beads then linearly arranged in a display case.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =77a(5) =572a(6) =5114a(7) =53406a(8) =637818a(9) =8572434a(10) =128041458a(11) =2103949314a(12) =37716766350a(13) =732505270152
External references
- oeis: A159662