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.

A284889 Numbers n such that A279513(n) is a primorial number (A002110).

Table of values

n a(n)
1 1
2 2
3 6
4 8
5 9
6 30
7 40
8 45
9 75
10 96
11 210
12 250
13 280
14 315
15 486
16 525
17 672
18 735
19 1750
20 1920
21 2310
22 3080
23 3402
24 3430
25 3465
26 5775
27 6125
28 7392
29 8085
30 8575
31 10976
32 11907
33 12705
34 15625
35 16000
36 19250
37 21120
38 21870
39 30030
40 31104
41 32768
42 37422
43 37730
44 40040
45 45045
46 54675

List of values

[1, 2, 6, 8, 9, 30, 40, 45, 75, 96, 210, 250, 280, 315, 486, 525, 672, 735, 1750, 1920, 2310, 3080, 3402, 3430, 3465, 5775, 6125, 7392, 8085, 8575, 10976, 11907, 12705, 15625, 16000, 19250, 21120, 21870, 30030, 31104, 32768, 37422, 37730, 40040, 45045, 54675]

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

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