A372387 - cp's OEIS frontend

A372387 Decimal expansion of Sum_{k>=0} (-1)^k*(k^2+1) / (k^4+1).

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

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

cp's OEIS Frontend

A372387 Decimal expansion of Sum_{k>=0} (-1)^k*(k^2+1) / (k^4+1).

Table of values

List of values

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

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

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