A322057 - cp's OEIS frontend

A322057 Array read by upwards antidiagonals: T(i,n) is the number of binary necklaces of length n that avoid 00...0 (i 0's).

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

[1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 3, 3, 1, 1, 2, 3, 4, 3, 1, 1, 2, 3, 5, 5, 5, 1, 1, 2, 3, 5, 6, 9, 5, 1, 1, 2, 3, 5, 7, 11, 11, 8, 1, 1, 2, 3, 5, 7, 12, 15, 19, 10, 1, 1, 2, 3, 5, 7, 13, 17, 27, 29, 15, 1, 1, 2, 3, 5, 7, 13, 18, 31, 43, 48, 19, 1]

cp's OEIS Frontend

A322057 Array read by upwards antidiagonals: T(i,n) is the number of binary necklaces of length n that avoid 00...0 (i 0's).

Table of values

List of values

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

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

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