A334273 - cp's OEIS frontend

A334273 Numbers k such that the k-th composition in standard order is both a reversed necklace and a co-necklace.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	15
13	16
14	17
15	18
16	19
17	21
18	23
19	31
20	32
21	33
22	34
23	35
24	36
25	37
26	39
27	42
28	43
29	45
30	47
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	71
39	73
40	74
41	75
42	77
43	79
44	85
45	87
46	91
47	95
48	127
49	128
50	129
51	130
52	131
53	132
54	133
55	135
56	136
57	137
58	138
59	139
60	141
61	143
62	146
63	147

[0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 15, 16, 17, 18, 19, 21, 23, 31, 32, 33, 34, 35, 36, 37, 39, 42, 43, 45, 47, 63, 64, 65, 66, 67, 68, 69, 71, 73, 74, 75, 77, 79, 85, 87, 91, 95, 127, 128, 129, 130, 131, 132, 133, 135, 136, 137, 138, 139, 141, 143, 146, 147]

cp's OEIS Frontend

A334273 Numbers k such that the k-th composition in standard order is both a reversed necklace and a co-necklace.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	15
13	16
14	17
15	18
16	19
17	21
18	23
19	31
20	32
21	33
22	34
23	35
24	36
25	37
26	39
27	42
28	43
29	45
30	47
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	71
39	73
40	74
41	75
42	77
43	79
44	85
45	87
46	91
47	95
48	127
49	128
50	129
51	130
52	131
53	132
54	133
55	135
56	136
57	137
58	138
59	139
60	141
61	143
62	146
63	147

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	15
13	16
14	17
15	18
16	19
17	21
18	23
19	31
20	32
21	33
22	34
23	35
24	36
25	37
26	39
27	42
28	43
29	45
30	47
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	71
39	73
40	74
41	75
42	77
43	79
44	85
45	87
46	91
47	95
48	127
49	128
50	129
51	130
52	131
53	132
54	133
55	135
56	136
57	137
58	138
59	139
60	141
61	143
62	146
63	147

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	15
13	16
14	17
15	18
16	19
17	21
18	23
19	31
20	32
21	33
22	34
23	35
24	36
25	37
26	39
27	42
28	43
29	45
30	47
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	71
39	73
40	74
41	75
42	77
43	79
44	85
45	87
46	91
47	95
48	127
49	128
50	129
51	130
52	131
53	132
54	133
55	135
56	136
57	137
58	138
59	139
60	141
61	143
62	146
63	147