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.

A344906 Decimal expansion of Sum_{k>=0} arctan(1/2^k).

Table of values

n a(n)
1 1
2 7
3 4
4 3
5 2
6 8
7 6
8 6
9 2
10 0
11 4
12 7
13 2
14 3
15 4
16 0
17 0
18 0
19 3
20 5
21 0
22 4
23 3
24 3
25 7
26 6
27 5
28 6
29 1
30 3
31 6
32 4
33 1
34 6
35 2
36 8
37 5
38 8
39 1
40 3
41 8
42 3
43 1
44 1
45 8
46 5
47 4
48 2
49 8
50 2
51 0
52 6
53 5
54 2
55 3
56 0
57 0
58 4
59 5
60 6
61 9
62 5
63 7
64 2
65 0
66 5
67 6
68 5
69 5
70 1
71 7
72 6
73 5
74 2
75 2
76 7
77 4
78 9
79 2
80 0
81 5
82 5
83 8
84 1
85 6
86 5
87 8
88 6
89 8

List of values

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