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.

A073247 Squarefree numbers k such that k-1 and k+1 are not squarefree.

Table of values

n a(n)
1 17
2 19
3 26
4 51
5 53
6 55
7 89
8 91
9 97
10 127
11 149
12 151
13 161
14 163
15 170
16 197
17 199
18 233
19 235
20 241
21 249
22 251
23 269
24 271
25 293
26 295
27 305
28 307
29 337
30 339
31 341
32 349
33 362
34 377
35 379
36 413
37 415
38 449
39 451
40 485
41 487
42 489
43 491
44 521
45 523
46 530
47 551
48 557
49 559
50 577
51 579
52 593
53 595

List of values

[17, 19, 26, 51, 53, 55, 89, 91, 97, 127, 149, 151, 161, 163, 170, 197, 199, 233, 235, 241, 249, 251, 269, 271, 293, 295, 305, 307, 337, 339, 341, 349, 362, 377, 379, 413, 415, 449, 451, 485, 487, 489, 491, 521, 523, 530, 551, 557, 559, 577, 579, 593, 595]