A086171 - cp's OEIS frontend

A086171 Continued fraction of sum(prime(n)/10^b(n)), where b(n) = 1 + the total number of digits of the first n-1 primes, A068670.

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

[0, 4, 4, 6, 2, 5, 18, 1, 3, 4, 1, 2, 1, 2, 4, 7, 4, 1, 21, 2, 1, 3, 5, 2, 1, 1, 27, 1, 1, 5, 12, 1, 18, 1, 1, 1, 1, 1, 1, 9, 3, 1, 1, 1, 5, 1, 5, 2, 2, 1, 53, 1, 8, 1, 23, 6, 2, 2, 1, 1, 3, 1, 1, 25, 2, 2, 7, 1, 2, 3, 1, 4, 3, 12, 1, 2, 7, 1, 68, 1, 19, 1, 2, 2, 14, 4, 6, 2, 1, 2, 58, 2, 16, 1, 1, 1, 2, 2, 1]

cp's OEIS Frontend

A086171 Continued fraction of sum(prime(n)/10^b(n)), where b(n) = 1 + the total number of digits of the first n-1 primes, A068670.

Table of values

List of values

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

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

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