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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.

A217926 A sequence relating to the rational values zeta(2n)^2/zeta(4n), which are expressible in terms of Bernoulli's numbers (see comments for definition of the sequence).

Table of values

n a(n)
1 7
2 17
3 29
4 29
5 41
6 41
7 59
8 59
9 71
10 97
11 97
12 97
13 101
14 101
15 101
16 137
17 137
18 149
19 149
20 149
21 179
22 179
23 179
24 191
25 191
26 191
27 191
28 191
29 227
30 227
31 227
32 227
33 227
34 269
35 269
36 269
37 269
38 307
39 307
40 311
41 311
42 311
43 311
44 347
45 347
46 347
47 347
48 347
49 347
50 419
51 419
52 419
53 419
54 419

List of values

[7, 17, 29, 29, 41, 41, 59, 59, 71, 97, 97, 97, 101, 101, 101, 137, 137, 149, 149, 149, 179, 179, 179, 191, 191, 191, 191, 191, 227, 227, 227, 227, 227, 269, 269, 269, 269, 307, 307, 311, 311, 311, 311, 347, 347, 347, 347, 347, 347, 419, 419, 419, 419, 419]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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