A256936 - cp's OEIS frontend

A256936 Decimal expansion of Sum_{k>=1} phi(k)/2^k, where phi is Euler's totient function.

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

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

cp's OEIS Frontend

A256936 Decimal expansion of Sum_{k>=1} phi(k)/2^k, where phi is Euler's totient function.

Table of values

List of values

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

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

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