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.

A240264 Decimal expansion of Sum_{n >= 1} (-1)^(n+1)*H(n,2)/n^2, where H(n,2) is the n-th harmonic number of order 2.

Table of values

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

List of values

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