A334274 - cp's OEIS frontend

A334274 Numbers k such that the k-th composition in standard order is both a necklace and a reversed co-necklace.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	20
15	24
16	26
17	28
18	30
19	31
20	32
21	36
22	40
23	42
24	48
25	52
26	54
27	56
28	58
29	60
30	62
31	63
32	64
33	72
34	80
35	84
36	96
37	100
38	104
39	106
40	108
41	112
42	116
43	118
44	120
45	122
46	124
47	126
48	127
49	128
50	136
51	144
52	160
53	164
54	168
55	170
56	192
57	200
58	204
59	208
60	212
61	216

[0, 1, 2, 3, 4, 6, 7, 8, 10, 12, 14, 15, 16, 20, 24, 26, 28, 30, 31, 32, 36, 40, 42, 48, 52, 54, 56, 58, 60, 62, 63, 64, 72, 80, 84, 96, 100, 104, 106, 108, 112, 116, 118, 120, 122, 124, 126, 127, 128, 136, 144, 160, 164, 168, 170, 192, 200, 204, 208, 212, 216]

cp's OEIS Frontend

A334274 Numbers k such that the k-th composition in standard order is both a necklace and a reversed co-necklace.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	20
15	24
16	26
17	28
18	30
19	31
20	32
21	36
22	40
23	42
24	48
25	52
26	54
27	56
28	58
29	60
30	62
31	63
32	64
33	72
34	80
35	84
36	96
37	100
38	104
39	106
40	108
41	112
42	116
43	118
44	120
45	122
46	124
47	126
48	127
49	128
50	136
51	144
52	160
53	164
54	168
55	170
56	192
57	200
58	204
59	208
60	212
61	216

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	20
15	24
16	26
17	28
18	30
19	31
20	32
21	36
22	40
23	42
24	48
25	52
26	54
27	56
28	58
29	60
30	62
31	63
32	64
33	72
34	80
35	84
36	96
37	100
38	104
39	106
40	108
41	112
42	116
43	118
44	120
45	122
46	124
47	126
48	127
49	128
50	136
51	144
52	160
53	164
54	168
55	170
56	192
57	200
58	204
59	208
60	212
61	216

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	20
15	24
16	26
17	28
18	30
19	31
20	32
21	36
22	40
23	42
24	48
25	52
26	54
27	56
28	58
29	60
30	62
31	63
32	64
33	72
34	80
35	84
36	96
37	100
38	104
39	106
40	108
41	112
42	116
43	118
44	120
45	122
46	124
47	126
48	127
49	128
50	136
51	144
52	160
53	164
54	168
55	170
56	192
57	200
58	204
59	208
60	212
61	216