A103441 - cp's OEIS frontend

A103441 Triangle read by rows: T(n,k) = number of bracelets of n beads (necklaces that can be flipped over) with exactly two colors and k white beads for which the set of distances among the white beads are different.

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	1
13	3
14	3
15	3
16	1
17	1
18	3
19	4
20	4
21	3
22	1
23	1
24	4
25	5
26	7
27	5
28	4
29	1
30	1
31	4
32	7
33	10
34	10
35	7
36	4
37	1
38	1
39	5
40	8
41	16
42	13
43	16
44	8
45	5
46	1
47	1
48	5
49	10
50	20
51	26
52	26
53	20
54	10
55	5
56	1
57	1
58	6
59	12
60	28
61	35
62	35
63	35
64	28
65	12
66	6
67	1
68	1
69	6
70	14
71	34
72	57
73	74
74	74
75	57
76	34
77	14
78	6
79	1
80	1
81	7
82	16
83	47
84	73
85	120
86	85
87	120
88	73

[1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 3, 3, 1, 1, 3, 4, 4, 3, 1, 1, 4, 5, 7, 5, 4, 1, 1, 4, 7, 10, 10, 7, 4, 1, 1, 5, 8, 16, 13, 16, 8, 5, 1, 1, 5, 10, 20, 26, 26, 20, 10, 5, 1, 1, 6, 12, 28, 35, 35, 35, 28, 12, 6, 1, 1, 6, 14, 34, 57, 74, 74, 57, 34, 14, 6, 1, 1, 7, 16, 47, 73, 120, 85, 120, 73]

cp's OEIS Frontend

A103441 Triangle read by rows: T(n,k) = number of bracelets of n beads (necklaces that can be flipped over) with exactly two colors and k white beads for which the set of distances among the white beads are different.

Table of values

List of values

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	1
13	3
14	3
15	3
16	1
17	1
18	3
19	4
20	4
21	3
22	1
23	1
24	4
25	5
26	7
27	5
28	4
29	1
30	1
31	4
32	7
33	10
34	10
35	7
36	4
37	1
38	1
39	5
40	8
41	16
42	13
43	16
44	8
45	5
46	1
47	1
48	5
49	10
50	20
51	26
52	26
53	20
54	10
55	5
56	1
57	1
58	6
59	12
60	28
61	35
62	35
63	35
64	28
65	12
66	6
67	1
68	1
69	6
70	14
71	34
72	57
73	74
74	74
75	57
76	34
77	14
78	6
79	1
80	1
81	7
82	16
83	47
84	73
85	120
86	85
87	120
88	73

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	1
13	3
14	3
15	3
16	1
17	1
18	3
19	4
20	4
21	3
22	1
23	1
24	4
25	5
26	7
27	5
28	4
29	1
30	1
31	4
32	7
33	10
34	10
35	7
36	4
37	1
38	1
39	5
40	8
41	16
42	13
43	16
44	8
45	5
46	1
47	1
48	5
49	10
50	20
51	26
52	26
53	20
54	10
55	5
56	1
57	1
58	6
59	12
60	28
61	35
62	35
63	35
64	28
65	12
66	6
67	1
68	1
69	6
70	14
71	34
72	57
73	74
74	74
75	57
76	34
77	14
78	6
79	1
80	1
81	7
82	16
83	47
84	73
85	120
86	85
87	120
88	73

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	2
10	2
11	1
12	1
13	3
14	3
15	3
16	1
17	1
18	3
19	4
20	4
21	3
22	1
23	1
24	4
25	5
26	7
27	5
28	4
29	1
30	1
31	4
32	7
33	10
34	10
35	7
36	4
37	1
38	1
39	5
40	8
41	16
42	13
43	16
44	8
45	5
46	1
47	1
48	5
49	10
50	20
51	26
52	26
53	20
54	10
55	5
56	1
57	1
58	6
59	12
60	28
61	35
62	35
63	35
64	28
65	12
66	6
67	1
68	1
69	6
70	14
71	34
72	57
73	74
74	74
75	57
76	34
77	14
78	6
79	1
80	1
81	7
82	16
83	47
84	73
85	120
86	85
87	120
88	73