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.

A248947 Decimal expansion of Sum_{n >= 1} tan(1/n)^2.

Table of values

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

List of values

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