A335818 - cp's OEIS frontend

A335818 Decimal expansion of Sum_{k>=1} 1/phi(k)^3, where phi is the Euler totient function.

n	a(n)
1	2
2	4
3	7
4	6
5	1
6	9
7	4
8	7
9	4
10	8
11	1
12	6
13	5
14	0
15	2
16	5
17	7
18	9
19	4
20	3
21	2
22	6
23	8
24	5
25	5
26	4
27	4
28	4
29	1
30	2
31	5
32	1
33	4
34	5
35	1
36	6
37	0
38	0
39	4
40	5
41	4
42	5
43	6
44	8
45	5
46	6
47	3
48	5
49	5
50	2
51	8
52	4
53	3
54	8
55	4
56	3
57	4
58	5
59	7
60	0
61	7
62	8
63	7
64	9
65	1
66	5
67	0
68	9
69	4
70	9
71	0
72	3
73	0
74	1
75	1
76	7
77	5
78	1
79	2
80	4
81	5
82	8
83	1
84	7
85	6
86	2
87	8
88	0
89	1
90	3
91	4
92	6
93	1
94	5
95	2
96	6
97	7
98	3
99	8
100	9
101	3
102	3
103	2
104	8
105	9

[2, 4, 7, 6, 1, 9, 4, 7, 4, 8, 1, 6, 5, 0, 2, 5, 7, 9, 4, 3, 2, 6, 8, 5, 5, 4, 4, 4, 1, 2, 5, 1, 4, 5, 1, 6, 0, 0, 4, 5, 4, 5, 6, 8, 5, 6, 3, 5, 5, 2, 8, 4, 3, 8, 4, 3, 4, 5, 7, 0, 7, 8, 7, 9, 1, 5, 0, 9, 4, 9, 0, 3, 0, 1, 1, 7, 5, 1, 2, 4, 5, 8, 1, 7, 6, 2, 8, 0, 1, 3, 4, 6, 1, 5, 2, 6, 7, 3, 8, 9, 3, 3, 2, 8, 9]

cp's OEIS Frontend

A335818 Decimal expansion of Sum_{k>=1} 1/phi(k)^3, where phi is the Euler totient function.

Table of values

List of values

n	a(n)
1	2
2	4
3	7
4	6
5	1
6	9
7	4
8	7
9	4
10	8
11	1
12	6
13	5
14	0
15	2
16	5
17	7
18	9
19	4
20	3
21	2
22	6
23	8
24	5
25	5
26	4
27	4
28	4
29	1
30	2
31	5
32	1
33	4
34	5
35	1
36	6
37	0
38	0
39	4
40	5
41	4
42	5
43	6
44	8
45	5
46	6
47	3
48	5
49	5
50	2
51	8
52	4
53	3
54	8
55	4
56	3
57	4
58	5
59	7
60	0
61	7
62	8
63	7
64	9
65	1
66	5
67	0
68	9
69	4
70	9
71	0
72	3
73	0
74	1
75	1
76	7
77	5
78	1
79	2
80	4
81	5
82	8
83	1
84	7
85	6
86	2
87	8
88	0
89	1
90	3
91	4
92	6
93	1
94	5
95	2
96	6
97	7
98	3
99	8
100	9
101	3
102	3
103	2
104	8
105	9

n	a(n)
1	2
2	4
3	7
4	6
5	1
6	9
7	4
8	7
9	4
10	8
11	1
12	6
13	5
14	0
15	2
16	5
17	7
18	9
19	4
20	3
21	2
22	6
23	8
24	5
25	5
26	4
27	4
28	4
29	1
30	2
31	5
32	1
33	4
34	5
35	1
36	6
37	0
38	0
39	4
40	5
41	4
42	5
43	6
44	8
45	5
46	6
47	3
48	5
49	5
50	2
51	8
52	4
53	3
54	8
55	4
56	3
57	4
58	5
59	7
60	0
61	7
62	8
63	7
64	9
65	1
66	5
67	0
68	9
69	4
70	9
71	0
72	3
73	0
74	1
75	1
76	7
77	5
78	1
79	2
80	4
81	5
82	8
83	1
84	7
85	6
86	2
87	8
88	0
89	1
90	3
91	4
92	6
93	1
94	5
95	2
96	6
97	7
98	3
99	8
100	9
101	3
102	3
103	2
104	8
105	9

n	a(n)
1	2
2	4
3	7
4	6
5	1
6	9
7	4
8	7
9	4
10	8
11	1
12	6
13	5
14	0
15	2
16	5
17	7
18	9
19	4
20	3
21	2
22	6
23	8
24	5
25	5
26	4
27	4
28	4
29	1
30	2
31	5
32	1
33	4
34	5
35	1
36	6
37	0
38	0
39	4
40	5
41	4
42	5
43	6
44	8
45	5
46	6
47	3
48	5
49	5
50	2
51	8
52	4
53	3
54	8
55	4
56	3
57	4
58	5
59	7
60	0
61	7
62	8
63	7
64	9
65	1
66	5
67	0
68	9
69	4
70	9
71	0
72	3
73	0
74	1
75	1
76	7
77	5
78	1
79	2
80	4
81	5
82	8
83	1
84	7
85	6
86	2
87	8
88	0
89	1
90	3
91	4
92	6
93	1
94	5
95	2
96	6
97	7
98	3
99	8
100	9
101	3
102	3
103	2
104	8
105	9