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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.

A237109 a(n) is the numerator of 2*n / ((n+2) * (n+3)).

Table of values

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

List of values

[1, 1, 1, 4, 5, 1, 7, 8, 3, 5, 11, 4, 13, 7, 5, 16, 17, 3, 19, 20, 7, 11, 23, 8, 25, 13, 9, 28, 29, 5, 31, 32, 11, 17, 35, 12, 37, 19, 13, 40, 41, 7, 43, 44, 15, 23, 47, 16, 49, 25, 17, 52, 53, 9, 55, 56, 19, 29, 59, 20, 61, 31, 21, 64, 65, 11, 67, 68, 23, 35, 71, 24]

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

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