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.

A340302 Numbers k such that k and the least number that is larger than k and has the same prime signature as k also has the same set of distinct prime divisors as k.

Table of values

n a(n)
1 12
2 72
3 144
4 420
5 432
6 540
7 864
8 1728
9 1800
10 2000
11 2268
12 2520
13 2592
14 5184
15 5400
16 6300
17 7020
18 10125
19 10368
20 10692
21 10800
22 11340
23 12600
24 15120
25 15552
26 16200
27 17640
28 20000
29 20736
30 21168
31 21600
32 24000
33 24948
34 25200
35 26460
36 31104
37 37800
38 40500
39 41472
40 42750
41 43200

List of values

[12, 72, 144, 420, 432, 540, 864, 1728, 1800, 2000, 2268, 2520, 2592, 5184, 5400, 6300, 7020, 10125, 10368, 10692, 10800, 11340, 12600, 15120, 15552, 16200, 17640, 20000, 20736, 21168, 21600, 24000, 24948, 25200, 26460, 31104, 37800, 40500, 41472, 42750, 43200]