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.

A060735 a(1)=1, a(2)=2; thereafter, a(n) is the smallest number m not yet in the sequence such that every prime that divides a(n-1) also divides m.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 12
6 18
7 24
8 30
9 60
10 90
11 120
12 150
13 180
14 210
15 420
16 630
17 840
18 1050
19 1260
20 1470
21 1680
22 1890
23 2100
24 2310
25 4620
26 6930
27 9240
28 11550
29 13860
30 16170
31 18480
32 20790
33 23100
34 25410
35 27720
36 30030
37 60060
38 90090
39 120120
40 150150
41 180180
42 210210

List of values

[1, 2, 4, 6, 12, 18, 24, 30, 60, 90, 120, 150, 180, 210, 420, 630, 840, 1050, 1260, 1470, 1680, 1890, 2100, 2310, 4620, 6930, 9240, 11550, 13860, 16170, 18480, 20790, 23100, 25410, 27720, 30030, 60060, 90090, 120120, 150150, 180180, 210210]