A334267 - cp's OEIS frontend

A334267 Numbers k such that the k-th composition in standard order is both a Lyndon word and a reversed co-Lyndon word.

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	14
9	16
10	20
11	24
12	26
13	28
14	30
15	32
16	40
17	48
18	52
19	56
20	58
21	60
22	62
23	64
24	72
25	80
26	84
27	96
28	100
29	104
30	106
31	108
32	112
33	116
34	118
35	120
36	122
37	124
38	126
39	128
40	144
41	160
42	164
43	168
44	192
45	200
46	208
47	212
48	216
49	218
50	224
51	228
52	232
53	234
54	236
55	240
56	244
57	246
58	248
59	250

[0, 1, 2, 4, 6, 8, 12, 14, 16, 20, 24, 26, 28, 30, 32, 40, 48, 52, 56, 58, 60, 62, 64, 72, 80, 84, 96, 100, 104, 106, 108, 112, 116, 118, 120, 122, 124, 126, 128, 144, 160, 164, 168, 192, 200, 208, 212, 216, 218, 224, 228, 232, 234, 236, 240, 244, 246, 248, 250]

cp's OEIS Frontend

A334267 Numbers k such that the k-th composition in standard order is both a Lyndon word and a reversed co-Lyndon word.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	14
9	16
10	20
11	24
12	26
13	28
14	30
15	32
16	40
17	48
18	52
19	56
20	58
21	60
22	62
23	64
24	72
25	80
26	84
27	96
28	100
29	104
30	106
31	108
32	112
33	116
34	118
35	120
36	122
37	124
38	126
39	128
40	144
41	160
42	164
43	168
44	192
45	200
46	208
47	212
48	216
49	218
50	224
51	228
52	232
53	234
54	236
55	240
56	244
57	246
58	248
59	250

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	14
9	16
10	20
11	24
12	26
13	28
14	30
15	32
16	40
17	48
18	52
19	56
20	58
21	60
22	62
23	64
24	72
25	80
26	84
27	96
28	100
29	104
30	106
31	108
32	112
33	116
34	118
35	120
36	122
37	124
38	126
39	128
40	144
41	160
42	164
43	168
44	192
45	200
46	208
47	212
48	216
49	218
50	224
51	228
52	232
53	234
54	236
55	240
56	244
57	246
58	248
59	250

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	14
9	16
10	20
11	24
12	26
13	28
14	30
15	32
16	40
17	48
18	52
19	56
20	58
21	60
22	62
23	64
24	72
25	80
26	84
27	96
28	100
29	104
30	106
31	108
32	112
33	116
34	118
35	120
36	122
37	124
38	126
39	128
40	144
41	160
42	164
43	168
44	192
45	200
46	208
47	212
48	216
49	218
50	224
51	228
52	232
53	234
54	236
55	240
56	244
57	246
58	248
59	250