A161189 - cp's OEIS frontend

A161189 Set a(n) = k if n is in the set zeta(k) - 1 in the notation defined by William J. Keith in 2010.

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

[2, 2, 3, 2, 2, 2, 4, 2, 2, 2, 3, 2, 2, 3, 5, 2, 2, 2, 3, 2, 2, 2, 4, 2, 2, 2, 3, 2, 2, 2, 6, 3, 2, 2, 3, 2, 2, 2, 4, 2, 2, 2, 3, 2, 2, 2, 5, 2, 2, 4, 3, 2, 2, 2, 4, 2, 2, 2, 3, 2, 2, 2, 7, 2, 2, 2, 3, 3, 2, 2, 4, 2, 2, 2, 3, 3, 2, 3, 5, 2, 2, 2, 3, 2, 2, 3, 4, 2, 2, 2, 3, 2, 2, 2, 6, 2, 2, 2, 3, 2]

cp's OEIS Frontend

A161189 Set a(n) = k if n is in the set zeta(k) - 1 in the notation defined by William J. Keith in 2010.

Table of values

List of values

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

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

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