A079294 - cp's OEIS frontend

A079294 Number of distinct prime factors of the numerator of the 2n-th Bernoulli number.

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

[0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 3, 2, 2, 3, 3, 3, 2, 1, 2, 2, 1, 5, 3, 3, 3, 5, 3, 4, 5, 3, 5, 2, 3, 6, 5, 2, 2, 3, 4, 5, 4, 5, 4, 4, 4, 4, 6, 5, 6, 5, 7, 5, 5, 3, 6, 4, 2, 5, 2, 3, 4, 9, 4, 6, 7, 4, 5, 4, 8, 8, 4, 2, 7, 7, 7, 7, 8, 5, 8, 6, 5, 8, 9, 6, 5, 3, 8]

cp's OEIS Frontend

A079294 Number of distinct prime factors of the numerator of the 2n-th Bernoulli number.

Table of values

List of values

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

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

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