cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A348763 Decimal expansion of Sum_{n>=1} ((-1)^(n+1)*n)/(n+1)^2.

Table of values

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

List of values

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