A365255 - cp's OEIS frontend

A365255 Decimal expansion of Product_{n>=2} cos(Pi/(2*n)).

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

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

cp's OEIS Frontend

A365255 Decimal expansion of Product_{n>=2} cos(Pi/(2*n)).

Table of values

List of values

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

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

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