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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.

A171219 A138101(n)+A168142(n).

Table of values

n a(n)
1 5
2 5
3 21
4 21
5 21
6 21
7 21
8 21
9 21
10 21
11 57
12 57
13 57
14 57
15 57
16 57
17 57
18 57
19 57
20 57
21 57
22 57
23 57
24 57
25 57
26 57
27 57
28 57
29 121
30 121
31 121
32 121
33 121
34 121
35 121
36 121
37 121
38 121
39 121
40 121
41 121
42 121
43 121
44 121
45 121
46 121
47 121
48 121
49 121
50 121
51 121
52 121
53 121
54 121
55 121
56 121
57 121
58 121
59 121

List of values

[5, 5, 21, 21, 21, 21, 21, 21, 21, 21, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121]

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

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