A049099 - cp's OEIS frontend

A049099 a(n) = Euler phi function applied thrice to n.

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

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 4, 1, 2, 2, 2, 2, 4, 2, 4, 2, 2, 2, 4, 2, 4, 4, 4, 4, 4, 2, 4, 2, 4, 4, 8, 2, 4, 4, 4, 4, 10, 4, 4, 4, 8, 4, 8, 2, 8, 4, 4, 4, 12, 4, 8, 4, 4, 8, 8, 4, 8, 8, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 8, 6, 8, 16, 4, 16, 4, 8, 8, 16, 4, 8, 8, 8, 10, 8, 8, 16, 4, 8, 8, 16]

cp's OEIS Frontend

A049099 a(n) = Euler phi function applied thrice to n.

Table of values

List of values

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

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

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