A308314 - cp's OEIS frontend

A308314 Decimal expansion of Sum_{k>=1} (1/A055642(k)^A055642(k)) where A055642(k) is the number of digits of the integer k.

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

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

cp's OEIS Frontend

A308314 Decimal expansion of Sum_{k>=1} (1/A055642(k)^A055642(k)) where A055642(k) is the number of digits of the integer k.

Table of values

List of values

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

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

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