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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.

A089025 Side of primitive equilateral triangle bearing at least one integral cevian that partitions an edge into two integral sections.

Table of values

n a(n)
1 8
2 15
3 21
4 35
5 40
6 48
7 55
8 65
9 77
10 80
11 91
12 96
13 99
14 112
15 117
16 119
17 133
18 143
19 153
20 160
21 168
22 171
23 176
24 187
25 207
26 209
27 221
28 224
29 225
30 247
31 253
32 255
33 264
34 275
35 280
36 285
37 299
38 312
39 319
40 323
41 325
42 341
43 345
44 352
45 360
46 377
47 391
48 403
49 408
50 416
51 425
52 435
53 437
54 440
55 448

List of values

[8, 15, 21, 35, 40, 48, 55, 65, 77, 80, 91, 96, 99, 112, 117, 119, 133, 143, 153, 160, 168, 171, 176, 187, 207, 209, 221, 224, 225, 247, 253, 255, 264, 275, 280, 285, 299, 312, 319, 323, 325, 341, 345, 352, 360, 377, 391, 403, 408, 416, 425, 435, 437, 440, 448]

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

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