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.

A308116 Sum of the perimeters of the integer-sided triangles with perimeter n whose side lengths are squarefree.

Table of values

n a(n)
1 0
2 0
3 3
4 0
5 5
6 6
7 14
8 8
9 9
10 0
11 22
12 12
13 39
14 28
15 75
16 48
17 51
18 36
19 38
20 20
21 63
22 66
23 138
24 96
25 75
26 52
27 162
28 112
29 203
30 210
31 341
32 256
33 264
34 204
35 385
36 288
37 333
38 228
39 507
40 360
41 410
42 252
43 559
44 396
45 720
46 552
47 940
48 720
49 833
50 600
51 765
52 520
53 848
54 756
55 825
56 616
57 684
58 580

List of values

[0, 0, 3, 0, 5, 6, 14, 8, 9, 0, 22, 12, 39, 28, 75, 48, 51, 36, 38, 20, 63, 66, 138, 96, 75, 52, 162, 112, 203, 210, 341, 256, 264, 204, 385, 288, 333, 228, 507, 360, 410, 252, 559, 396, 720, 552, 940, 720, 833, 600, 765, 520, 848, 756, 825, 616, 684, 580]

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

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