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.

A161812 Numbers with decreasing but not strictly decreasing prime signature.

Table of values

n a(n)
1 6
2 30
3 36
4 60
5 120
6 180
7 210
8 216
9 240
10 420
11 480
12 840
13 900
14 960
15 1080
16 1260
17 1296
18 1680
19 1800
20 1920
21 2310
22 2520
23 3360
24 3600
25 3840
26 4620
27 5040
28 5400
29 6300
30 6480
31 6720
32 7200
33 7560
34 7680
35 7776
36 9240
37 10080
38 12600
39 13440
40 13860
41 14400
42 15120
43 15360
44 18480

List of values

[6, 30, 36, 60, 120, 180, 210, 216, 240, 420, 480, 840, 900, 960, 1080, 1260, 1296, 1680, 1800, 1920, 2310, 2520, 3360, 3600, 3840, 4620, 5040, 5400, 6300, 6480, 6720, 7200, 7560, 7680, 7776, 9240, 10080, 12600, 13440, 13860, 14400, 15120, 15360, 18480]

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

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