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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.

A033993 Numbers that are divisible by exactly four different primes.

Table of values

n a(n)
1 210
2 330
3 390
4 420
5 462
6 510
7 546
8 570
9 630
10 660
11 690
12 714
13 770
14 780
15 798
16 840
17 858
18 870
19 910
20 924
21 930
22 966
23 990
24 1020
25 1050
26 1092
27 1110
28 1122
29 1140
30 1155
31 1170
32 1190
33 1218
34 1230
35 1254
36 1260
37 1290
38 1302
39 1320
40 1326
41 1330
42 1365
43 1380
44 1386
45 1410
46 1428

List of values

[210, 330, 390, 420, 462, 510, 546, 570, 630, 660, 690, 714, 770, 780, 798, 840, 858, 870, 910, 924, 930, 966, 990, 1020, 1050, 1092, 1110, 1122, 1140, 1155, 1170, 1190, 1218, 1230, 1254, 1260, 1290, 1302, 1320, 1326, 1330, 1365, 1380, 1386, 1410, 1428]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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