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.

A369541 Numbers k neither squarefree nor prime powers that are products of primorials such that A119288(k) <= k/A007947(k) < A053669(k).

Table of values

n a(n)
1 24
2 120
3 180
4 840
5 1260
6 1680
7 9240
8 13860
9 18480
10 27720
11 120120
12 180180
13 240240
14 360360
15 480480
16 2042040
17 3063060
18 4084080
19 6126120
20 8168160
21 38798760
22 58198140
23 77597520
24 116396280
25 155195040
26 892371480
27 1338557220
28 1784742960
29 2677114440
30 3569485920
31 5354228880

List of values

[24, 120, 180, 840, 1260, 1680, 9240, 13860, 18480, 27720, 120120, 180180, 240240, 360360, 480480, 2042040, 3063060, 4084080, 6126120, 8168160, 38798760, 58198140, 77597520, 116396280, 155195040, 892371480, 1338557220, 1784742960, 2677114440, 3569485920, 5354228880]

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

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