A370746 - cp's OEIS frontend

A370746 Decimal expansion of Sum_{k>=1} 1/(kphi(2k)), where phi is the Euler totient function (A000010).

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

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

cp's OEIS Frontend

A370746 Decimal expansion of Sum_{k>=1} 1/(kphi(2k)), where phi is the Euler totient function (A000010).

Table of values

List of values

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

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

cp's OEIS Frontend

A370746 Decimal expansion of Sum_{k>=1} 1/(k*phi(2*k)), where phi is the Euler totient function (A000010).

Table of values

List of values

A370746 Decimal expansion of Sum_{k>=1} 1/(kphi(2k)), where phi is the Euler totient function (A000010).

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