A126433 - cp's OEIS frontend

A126433 Class+ number of prime(n) according to the Erdős-Selfridge classification of primes.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	1
21	4
22	2
23	2
24	2
25	2
26	2
27	3
28	1
29	2
30	3
31	1
32	2
33	2
34	2
35	2
36	3
37	3
38	3
39	2
40	3
41	2
42	3
43	1
44	3
45	2
46	2
47	2
48	2
49	3
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	4
66	2
67	3
68	3
69	3
70	2
71	3
72	2
73	2
74	2
75	3
76	1
77	3
78	3
79	3
80	3
81	2
82	3
83	1
84	2
85	2
86	4
87	2
88	3
89	2
90	3
91	3
92	2
93	3
94	3
95	2
96	2
97	2
98	3
99	3
100	3
101	3
102	2
103	2
104	3
105	3

[1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 2, 2, 1, 1, 2, 2, 2, 1, 4, 2, 2, 2, 2, 2, 3, 1, 2, 3, 1, 2, 2, 2, 2, 3, 3, 3, 2, 3, 2, 3, 1, 3, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 4, 2, 3, 3, 3, 2, 3, 2, 2, 2, 3, 1, 3, 3, 3, 3, 2, 3, 1, 2, 2, 4, 2, 3, 2, 3, 3, 2, 3, 3, 2, 2, 2, 3, 3, 3, 3, 2, 2, 3, 3]

cp's OEIS Frontend

A126433 Class+ number of prime(n) according to the Erdős-Selfridge classification of primes.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	1
21	4
22	2
23	2
24	2
25	2
26	2
27	3
28	1
29	2
30	3
31	1
32	2
33	2
34	2
35	2
36	3
37	3
38	3
39	2
40	3
41	2
42	3
43	1
44	3
45	2
46	2
47	2
48	2
49	3
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	4
66	2
67	3
68	3
69	3
70	2
71	3
72	2
73	2
74	2
75	3
76	1
77	3
78	3
79	3
80	3
81	2
82	3
83	1
84	2
85	2
86	4
87	2
88	3
89	2
90	3
91	3
92	2
93	3
94	3
95	2
96	2
97	2
98	3
99	3
100	3
101	3
102	2
103	2
104	3
105	3

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	1
21	4
22	2
23	2
24	2
25	2
26	2
27	3
28	1
29	2
30	3
31	1
32	2
33	2
34	2
35	2
36	3
37	3
38	3
39	2
40	3
41	2
42	3
43	1
44	3
45	2
46	2
47	2
48	2
49	3
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	4
66	2
67	3
68	3
69	3
70	2
71	3
72	2
73	2
74	2
75	3
76	1
77	3
78	3
79	3
80	3
81	2
82	3
83	1
84	2
85	2
86	4
87	2
88	3
89	2
90	3
91	3
92	2
93	3
94	3
95	2
96	2
97	2
98	3
99	3
100	3
101	3
102	2
103	2
104	3
105	3

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	1
21	4
22	2
23	2
24	2
25	2
26	2
27	3
28	1
29	2
30	3
31	1
32	2
33	2
34	2
35	2
36	3
37	3
38	3
39	2
40	3
41	2
42	3
43	1
44	3
45	2
46	2
47	2
48	2
49	3
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	4
66	2
67	3
68	3
69	3
70	2
71	3
72	2
73	2
74	2
75	3
76	1
77	3
78	3
79	3
80	3
81	2
82	3
83	1
84	2
85	2
86	4
87	2
88	3
89	2
90	3
91	3
92	2
93	3
94	3
95	2
96	2
97	2
98	3
99	3
100	3
101	3
102	2
103	2
104	3
105	3