A343470 - cp's OEIS frontend

A343470 Decimal expansion of Sum_{n>=1} ((-1)^(n-1))*arctan(n)/n.

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

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

cp's OEIS Frontend

A343470 Decimal expansion of Sum_{n>=1} ((-1)^(n-1))*arctan(n)/n.

Table of values

List of values

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

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

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