A080383 - cp's OEIS frontend

A080383 Number of j (0 <= j <= n) such that the central binomial coefficient C(n,floor(n/2)) = A001405(n) is divisible by C(n,j).

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

[1, 2, 3, 4, 3, 6, 3, 6, 3, 6, 3, 6, 7, 10, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 8, 3, 6, 3, 6, 7, 10, 3, 6, 3, 6, 3, 8, 3, 6, 5, 10, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 7, 10, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6, 7, 10, 3, 6, 3, 6, 7, 10, 3, 6, 3, 6, 3, 6, 3, 6, 3, 6]

cp's OEIS Frontend

A080383 Number of j (0 <= j <= n) such that the central binomial coefficient C(n,floor(n/2)) = A001405(n) is divisible by C(n,j).

Table of values

List of values

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

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

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