A351356 - cp's OEIS frontend

A351356 Triangle read by rows T(n,k): number of binary necklaces with n beads, k of them black, and at least two consecutive black beads.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	0
17	1
18	2
19	1
20	1
21	0
22	0
23	1
24	3
25	3
26	1
27	1
28	0
29	0
30	1
31	4
32	5
33	3
34	1
35	1
36	0
37	0
38	1
39	5
40	9
41	7
42	4
43	1
44	1
45	0
46	0
47	1
48	6
49	13
50	14
51	10
52	4
53	1
54	1
55	0
56	0
57	1
58	7
59	19
60	25
61	22
62	12
63	5
64	1
65	1
66	0
67	0
68	1
69	8
70	25
71	41
72	42
73	30
74	15
75	5
76	1
77	1
78	0
79	0
80	1
81	9
82	33
83	63
84	79
85	66
86	43
87	19
88	6
89	1
90	1
91	0
92	0
93	1
94	10
95	41
96	92
97	131
98	132
99	99
100	55
101	22
102	6
103	1
104	1

[0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 2, 1, 1, 0, 0, 1, 3, 3, 1, 1, 0, 0, 1, 4, 5, 3, 1, 1, 0, 0, 1, 5, 9, 7, 4, 1, 1, 0, 0, 1, 6, 13, 14, 10, 4, 1, 1, 0, 0, 1, 7, 19, 25, 22, 12, 5, 1, 1, 0, 0, 1, 8, 25, 41, 42, 30, 15, 5, 1, 1, 0, 0, 1, 9, 33, 63, 79, 66, 43, 19, 6, 1, 1, 0, 0, 1, 10, 41, 92, 131, 132, 99, 55, 22, 6, 1, 1]

cp's OEIS Frontend

A351356 Triangle read by rows T(n,k): number of binary necklaces with n beads, k of them black, and at least two consecutive black beads.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	0
17	1
18	2
19	1
20	1
21	0
22	0
23	1
24	3
25	3
26	1
27	1
28	0
29	0
30	1
31	4
32	5
33	3
34	1
35	1
36	0
37	0
38	1
39	5
40	9
41	7
42	4
43	1
44	1
45	0
46	0
47	1
48	6
49	13
50	14
51	10
52	4
53	1
54	1
55	0
56	0
57	1
58	7
59	19
60	25
61	22
62	12
63	5
64	1
65	1
66	0
67	0
68	1
69	8
70	25
71	41
72	42
73	30
74	15
75	5
76	1
77	1
78	0
79	0
80	1
81	9
82	33
83	63
84	79
85	66
86	43
87	19
88	6
89	1
90	1
91	0
92	0
93	1
94	10
95	41
96	92
97	131
98	132
99	99
100	55
101	22
102	6
103	1
104	1

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	0
17	1
18	2
19	1
20	1
21	0
22	0
23	1
24	3
25	3
26	1
27	1
28	0
29	0
30	1
31	4
32	5
33	3
34	1
35	1
36	0
37	0
38	1
39	5
40	9
41	7
42	4
43	1
44	1
45	0
46	0
47	1
48	6
49	13
50	14
51	10
52	4
53	1
54	1
55	0
56	0
57	1
58	7
59	19
60	25
61	22
62	12
63	5
64	1
65	1
66	0
67	0
68	1
69	8
70	25
71	41
72	42
73	30
74	15
75	5
76	1
77	1
78	0
79	0
80	1
81	9
82	33
83	63
84	79
85	66
86	43
87	19
88	6
89	1
90	1
91	0
92	0
93	1
94	10
95	41
96	92
97	131
98	132
99	99
100	55
101	22
102	6
103	1
104	1

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	0
17	1
18	2
19	1
20	1
21	0
22	0
23	1
24	3
25	3
26	1
27	1
28	0
29	0
30	1
31	4
32	5
33	3
34	1
35	1
36	0
37	0
38	1
39	5
40	9
41	7
42	4
43	1
44	1
45	0
46	0
47	1
48	6
49	13
50	14
51	10
52	4
53	1
54	1
55	0
56	0
57	1
58	7
59	19
60	25
61	22
62	12
63	5
64	1
65	1
66	0
67	0
68	1
69	8
70	25
71	41
72	42
73	30
74	15
75	5
76	1
77	1
78	0
79	0
80	1
81	9
82	33
83	63
84	79
85	66
86	43
87	19
88	6
89	1
90	1
91	0
92	0
93	1
94	10
95	41
96	92
97	131
98	132
99	99
100	55
101	22
102	6
103	1
104	1