A296372 - cp's OEIS frontend

A296372 Triangle read by rows: T(n,k) is the number of normal sequences of length n whose standard factorization into Lyndon words (aperiodic necklaces) has k factors.

n	a(n)
1	1
2	1
3	2
4	4
5	5
6	4
7	18
8	31
9	18
10	8
11	108
12	208
13	153
14	56
15	16
16	778
17	1700
18	1397
19	616
20	160
21	32
22	6756
23	15980
24	14668
25	7197
26	2196
27	432
28	64
29	68220
30	172326
31	171976
32	93293
33	31564
34	7208
35	1120
36	128

[1, 1, 2, 4, 5, 4, 18, 31, 18, 8, 108, 208, 153, 56, 16, 778, 1700, 1397, 616, 160, 32, 6756, 15980, 14668, 7197, 2196, 432, 64, 68220, 172326, 171976, 93293, 31564, 7208, 1120, 128]

cp's OEIS Frontend

A296372 Triangle read by rows: T(n,k) is the number of normal sequences of length n whose standard factorization into Lyndon words (aperiodic necklaces) has k factors.

Table of values

List of values