A351358 - cp's OEIS frontend

A351358 Irregular triangle read by rows T(n,k): number of binary necklaces with n beads, k of them black, and at least four consecutive black beads.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	0
19	1
20	1
21	0
22	0
23	0
24	0
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	1
36	0
37	0
38	0
39	0
40	1
41	3
42	3
43	1
44	1
45	0
46	0
47	0
48	0
49	1
50	4
51	6
52	4
53	1
54	1
55	0
56	0
57	0
58	0
59	1
60	5
61	10
62	10
63	5
64	1
65	1
66	0
67	0
68	0
69	0
70	1
71	6
72	15
73	20
74	14
75	5
76	1
77	1
78	0
79	0
80	0
81	0
82	1
83	7
84	21
85	35
86	34
87	18
88	6
89	1
90	1
91	0
92	0
93	0
94	0
95	1
96	8
97	28
98	56
99	68
100	50
101	22
102	6
103	1
104	1

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 2, 1, 1, 0, 0, 0, 0, 1, 3, 3, 1, 1, 0, 0, 0, 0, 1, 4, 6, 4, 1, 1, 0, 0, 0, 0, 1, 5, 10, 10, 5, 1, 1, 0, 0, 0, 0, 1, 6, 15, 20, 14, 5, 1, 1, 0, 0, 0, 0, 1, 7, 21, 35, 34, 18, 6, 1, 1, 0, 0, 0, 0, 1, 8, 28, 56, 68, 50, 22, 6, 1, 1]

cp's OEIS Frontend

A351358 Irregular triangle read by rows T(n,k): number of binary necklaces with n beads, k of them black, and at least four consecutive black beads.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	0
19	1
20	1
21	0
22	0
23	0
24	0
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	1
36	0
37	0
38	0
39	0
40	1
41	3
42	3
43	1
44	1
45	0
46	0
47	0
48	0
49	1
50	4
51	6
52	4
53	1
54	1
55	0
56	0
57	0
58	0
59	1
60	5
61	10
62	10
63	5
64	1
65	1
66	0
67	0
68	0
69	0
70	1
71	6
72	15
73	20
74	14
75	5
76	1
77	1
78	0
79	0
80	0
81	0
82	1
83	7
84	21
85	35
86	34
87	18
88	6
89	1
90	1
91	0
92	0
93	0
94	0
95	1
96	8
97	28
98	56
99	68
100	50
101	22
102	6
103	1
104	1

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	0
19	1
20	1
21	0
22	0
23	0
24	0
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	1
36	0
37	0
38	0
39	0
40	1
41	3
42	3
43	1
44	1
45	0
46	0
47	0
48	0
49	1
50	4
51	6
52	4
53	1
54	1
55	0
56	0
57	0
58	0
59	1
60	5
61	10
62	10
63	5
64	1
65	1
66	0
67	0
68	0
69	0
70	1
71	6
72	15
73	20
74	14
75	5
76	1
77	1
78	0
79	0
80	0
81	0
82	1
83	7
84	21
85	35
86	34
87	18
88	6
89	1
90	1
91	0
92	0
93	0
94	0
95	1
96	8
97	28
98	56
99	68
100	50
101	22
102	6
103	1
104	1

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	0
19	1
20	1
21	0
22	0
23	0
24	0
25	1
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	2
34	1
35	1
36	0
37	0
38	0
39	0
40	1
41	3
42	3
43	1
44	1
45	0
46	0
47	0
48	0
49	1
50	4
51	6
52	4
53	1
54	1
55	0
56	0
57	0
58	0
59	1
60	5
61	10
62	10
63	5
64	1
65	1
66	0
67	0
68	0
69	0
70	1
71	6
72	15
73	20
74	14
75	5
76	1
77	1
78	0
79	0
80	0
81	0
82	1
83	7
84	21
85	35
86	34
87	18
88	6
89	1
90	1
91	0
92	0
93	0
94	0
95	1
96	8
97	28
98	56
99	68
100	50
101	22
102	6
103	1
104	1