A337998 - cp's OEIS frontend

A337998 Decimal expansion of Sum_{n>=1} (cos((nPi)/2) + sin((nPi)/2)) / sqrt(n).

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

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

cp's OEIS Frontend

A337998 Decimal expansion of Sum_{n>=1} (cos((nPi)/2) + sin((nPi)/2)) / sqrt(n).

Table of values

List of values

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

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

cp's OEIS Frontend

A337998 Decimal expansion of Sum_{n>=1} (cos((n*Pi)/2) + sin((n*Pi)/2)) / sqrt(n).

Table of values

List of values

A337998 Decimal expansion of Sum_{n>=1} (cos((nPi)/2) + sin((nPi)/2)) / sqrt(n).

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