A261600 - cp's OEIS frontend

A261600 Number of primitive (aperiodic, or Lyndon) necklaces with n beads such that beads of a largest subset have label 0, beads of a largest remaining subset have label 1, and so on.

n	a(n)
0	1
1	1
2	1
3	3
4	11
5	49
6	265
7	1640
8	11932
9	96780
10	887931
11	8939050
12	99298073
13	1195617442
14	15619180497
15	219049941148
16	3293800823995
17	52746930894773
18	897802366153076
19	16167544246362566
20	307372573010691195
21	6148811682561388635
22	129164845357775064609

[1, 1, 1, 3, 11, 49, 265, 1640, 11932, 96780, 887931, 8939050, 99298073, 1195617442, 15619180497, 219049941148, 3293800823995, 52746930894773, 897802366153076, 16167544246362566, 307372573010691195, 6148811682561388635, 129164845357775064609]

cp's OEIS Frontend

A261600 Number of primitive (aperiodic, or Lyndon) necklaces with n beads such that beads of a largest subset have label 0, beads of a largest remaining subset have label 1, and so on.

Table of values

List of values