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.

A338389 Numbers k such that there are exactly two biquadratefree powerful numbers (A338325) between k^2 and (k+1)^2.

Table of values

n a(n)
1 14
2 31
3 67
4 72
5 82
6 93
7 98
8 110
9 132
10 140
11 156
12 172
13 189
14 192
15 223
16 240
17 257
18 281
19 285
20 322
21 347
22 368
23 379
24 407
25 410
26 414
27 426
28 441
29 455
30 468
31 472
32 481
33 488
34 514
35 515
36 517
37 524
38 525
39 537
40 551
41 555
42 574
43 579
44 602
45 613
46 664
47 680
48 693
49 702
50 703
51 737
52 743
53 749
54 755

List of values

[14, 31, 67, 72, 82, 93, 98, 110, 132, 140, 156, 172, 189, 192, 223, 240, 257, 281, 285, 322, 347, 368, 379, 407, 410, 414, 426, 441, 455, 468, 472, 481, 488, 514, 515, 517, 524, 525, 537, 551, 555, 574, 579, 602, 613, 664, 680, 693, 702, 703, 737, 743, 749, 755]