A331421 - cp's OEIS frontend

A331421 Decimal expansion of Sum_{n >= 2} (-1)^n/log_2(n).

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

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

cp's OEIS Frontend

A331421 Decimal expansion of Sum_{n >= 2} (-1)^n/log_2(n).

Table of values

List of values

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

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

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