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.

A107576 a(n)=perimeter of n-th triangle listed at A107572.

Table of values

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

List of values

[9, 11, 12, 13, 13, 14, 15, 15, 15, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26]

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

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