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.

A216542 Decimal expansion of Sum_{k=1..50000} (-1)^(k-1)/(2k-1).

Table of values

n a(n)
0 7
1 8
2 5
3 3
4 9
5 3
6 1
7 6
8 3
9 3
10 9
11 7
12 4
13 4
14 8
15 8
16 0
17 9
18 6
19 1
20 5
21 6
22 6
23 0
24 5
25 9
26 5
27 8
28 1
29 9
30 8
31 7
32 6
33 0
34 2
35 6
36 0
37 4
38 9
39 2
40 9
41 1
42 6
43 5
44 7
45 3
46 4
47 3
48 7
49 7
50 8
51 9
52 8
53 1
54 2
55 9
56 3
57 7
58 2
59 2
60 6
61 3
62 4
63 2
64 5
65 2
66 0
67 5
68 3
69 7
70 8
71 2
72 0
73 6
74 1
75 0
76 8
77 2
78 6
79 7
80 4
81 0
82 6
83 1
84 7
85 8
86 3
87 1
88 0
89 4
90 5
91 2
92 7
93 5
94 4
95 8
96 6
97 7
98 6
99 3
100 4
101 4
102 2
103 1
104 8
105 1
106 6
107 3
108 7
109 1
110 2
111 5
112 4
113 6
114 8
115 5
116 2
117 4
118 1
119 2
120 5
121 3
122 0
123 9
124 6

List of values

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