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.

A129254 Numbers k such that both k and k+1 have at least one divisor of the form p^e with p<=e, p prime.

Table of values

n a(n)
1 27
2 80
3 135
4 188
5 243
6 296
7 351
8 404
9 459
10 512
11 567
12 620
13 675
14 728
15 783
16 836
17 891
18 944
19 999
20 1052
21 1107
22 1160
23 1215
24 1268
25 1323
26 1376
27 1431
28 1484
29 1539
30 1592
31 1647
32 1700
33 1755
34 1808
35 1863
36 1916
37 1971
38 2024
39 2079
40 2132
41 2187
42 2240
43 2295
44 2348
45 2403
46 2456

List of values

[27, 80, 135, 188, 243, 296, 351, 404, 459, 512, 567, 620, 675, 728, 783, 836, 891, 944, 999, 1052, 1107, 1160, 1215, 1268, 1323, 1376, 1431, 1484, 1539, 1592, 1647, 1700, 1755, 1808, 1863, 1916, 1971, 2024, 2079, 2132, 2187, 2240, 2295, 2348, 2403, 2456]