A373025 - cp's OEIS frontend

A373025 Decimal expansion of Sum_{k>=0} cos(k*Pi/5)/2^k.

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

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

cp's OEIS Frontend

A373025 Decimal expansion of Sum_{k>=0} cos(k*Pi/5)/2^k.

Table of values

List of values

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

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

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