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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.

A251557 a(n) = 2 more than the largest even number among {A098550(1), A098550(2), ..., A098550(n)}.

Table of values

n a(n)
1 2
2 4
3 4
4 6
5 6
6 10
7 10
8 16
9 16
10 16
11 16
12 16
13 16
14 18
15 18
16 18
17 18
18 22
19 22
20 24
21 24
22 24
23 24
24 24
25 28
26 28
27 30
28 30
29 34
30 34
31 34
32 34
33 34
34 34
35 36
36 36
37 38
38 38
39 38
40 38
41 40
42 40
43 40
44 44
45 44
46 46
47 46
48 46
49 46
50 52
51 52
52 52
53 52
54 54
55 54
56 54
57 54
58 58
59 58
60 64
61 64
62 64
63 64
64 64
65 66
66 66
67 70
68 70
69 70
70 70
71 70
72 70
73 70

List of values

[2, 4, 4, 6, 6, 10, 10, 16, 16, 16, 16, 16, 16, 18, 18, 18, 18, 22, 22, 24, 24, 24, 24, 24, 28, 28, 30, 30, 34, 34, 34, 34, 34, 34, 36, 36, 38, 38, 38, 38, 40, 40, 40, 44, 44, 46, 46, 46, 46, 52, 52, 52, 52, 54, 54, 54, 54, 58, 58, 64, 64, 64, 64, 64, 66, 66, 70, 70, 70, 70, 70, 70, 70]

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

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