|
| |
|
|
A032165
|
|
Number of aperiodic necklaces of n beads of 10 colors.
|
|
1
| |
|
|
10, 45, 330, 2475, 19998, 166485, 1428570, 12498750, 111111000, 999989991, 9090909090, 83333249175, 769230769230, 7142856428565, 66666666659934, 624999993750000, 5882352941176470, 55555555499944500
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
LINKS
| C. G. Bower, Transforms (2)
Y. Puri and T. Ward, Arithmetic and growth of periodic orbits, J. Integer Seqs., Vol. 4 (2001), #01.2.1.
F. Ruskey, Necklaces, Lyndon words, De Bruijn sequences, etc.
Index entries for sequences related to Lyndon words
|
|
|
FORMULA
| "CHK" (necklace, identity, unlabeled) transform of 10, 0, 0, 0...
Sum mu(d)*10^(n/d)/n; d|n.
|
|
|
CROSSREFS
| Sequence in context: A143671 A141499 A061772 * A124174 A188699 A044112
Adjacent sequences: A032162 A032163 A032164 * A032166 A032167 A032168
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Christian G. Bower (bowerc(AT)usa.net)
|
| |
|
|
