A049236 - cp's OEIS frontend

A049236 a(n) is the number of distinct prime factors of prime(n) + 2.

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

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

cp's OEIS Frontend

A049236 a(n) is the number of distinct prime factors of prime(n) + 2.

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

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

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