A371803 - cp's OEIS frontend

A371803 Decimal expansion of Sum_{k>=0} (-1)^k / (k^2 + 4).

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

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

cp's OEIS Frontend

A371803 Decimal expansion of Sum_{k>=0} (-1)^k / (k^2 + 4).

Table of values

List of values

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

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

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