A058515 - cp's OEIS frontend

A058515 GCD of totients of consecutive integers.

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

[1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 6, 2, 8, 8, 2, 6, 2, 4, 2, 2, 2, 4, 4, 6, 6, 4, 4, 2, 2, 4, 4, 8, 12, 12, 18, 6, 8, 8, 4, 6, 2, 4, 2, 2, 2, 2, 2, 4, 8, 4, 2, 2, 8, 12, 4, 2, 2, 4, 30, 6, 4, 16, 4, 2, 2, 4, 4, 2, 2, 24, 36, 4, 4, 12, 12, 6, 2, 2, 2, 2, 2, 8, 2, 14, 8, 8, 8, 24, 4, 4, 2, 2, 8, 32, 6]

cp's OEIS Frontend

A058515 GCD of totients of consecutive integers.

Table of values

List of values

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

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

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