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.

A369540 Numbers k neither squarefree nor prime powers such that A119288(k) <= k/A007947(k) < A053669(k) and A007947(k) is a primorial P(i) = A002110(i) for some i.

Table of values

n a(n)
1 18
2 24
3 90
4 120
5 150
6 180
7 630
8 840
9 1050
10 1260
11 1470
12 1680
13 1890
14 2100
15 6930
16 9240
17 11550
18 13860
19 16170
20 18480
21 20790
22 23100
23 25410
24 27720
25 90090
26 120120
27 150150
28 180180
29 210210
30 240240
31 270270
32 300300
33 330330
34 360360
35 390390
36 420420
37 450450
38 480480
39 1531530

List of values

[18, 24, 90, 120, 150, 180, 630, 840, 1050, 1260, 1470, 1680, 1890, 2100, 6930, 9240, 11550, 13860, 16170, 18480, 20790, 23100, 25410, 27720, 90090, 120120, 150150, 180180, 210210, 240240, 270270, 300300, 330330, 360360, 390390, 420420, 450450, 480480, 1531530]