A091007 - cp's OEIS frontend

A091007 Decimal expansion of Sum_{n>=1} arccot(n^2).

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

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

cp's OEIS Frontend

A091007 Decimal expansion of Sum_{n>=1} arccot(n^2).

Table of values

List of values

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

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

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