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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.

A376519 Positions of terms not appearing for the first time in the first differences (A053289) of perfect-powers (A001597).

Table of values

n a(n)
1 8
2 14
3 15
4 20
5 22
6 25
7 26
8 31
9 40
10 46
11 52
12 59
13 68
14 75
15 88
16 96
17 102
18 110
19 111
20 112
21 114
22 128
23 136
24 144
25 145
26 162
27 180
28 188
29 198
30 216
31 226
32 235
33 246
34 264
35 265
36 275
37 285
38 295
39 305
40 316
41 317
42 325
43 328
44 338
45 350
46 360
47 367
48 373
49 385
50 406
51 416
52 417
53 419
54 431
55 443

List of values

[8, 14, 15, 20, 22, 25, 26, 31, 40, 46, 52, 59, 68, 75, 88, 96, 102, 110, 111, 112, 114, 128, 136, 144, 145, 162, 180, 188, 198, 216, 226, 235, 246, 264, 265, 275, 285, 295, 305, 316, 317, 325, 328, 338, 350, 360, 367, 373, 385, 406, 416, 417, 419, 431, 443]

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

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