A160245 - cp's OEIS frontend

A160245 a(n) = index of the n-th prime in A051301 (least prime factor of m!+1).

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

[2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 3, 2, 2, 6, 1, 3, 3, 1, 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 4, 1, 2, 1, 1, 3, 3, 2, 2, 3, 1, 1, 1, 5, 3, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 4, 2, 2, 5, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 3, 3, 3, 1, 2, 1, 3, 1, 1, 2, 1, 1, 2, 4, 2, 4]

cp's OEIS Frontend

A160245 a(n) = index of the n-th prime in A051301 (least prime factor of m!+1).

Table of values

List of values

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

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

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