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.

A221647 Smallest number k such that prime(n) is the n-th divisor of k.

Table of values

n a(n)
2 3
3 10
4 28
5 66
6 234
7 204
8 456
9 828
10 1392
11 2232
12 2220
13 5904
14 7224
15 5640
16 9540
17 14160
18 14640
19 28140
20 25560
21 26280
22 79632
23 89640
24 64080
25 69840
26 181800
27 129780
28 134820
29 183120
30 189840
31 213360
32 495180
33 460320
34 934080
35 1001280
36 380520
37 1243440
38 1779960

List of values

[3, 10, 28, 66, 234, 204, 456, 828, 1392, 2232, 2220, 5904, 7224, 5640, 9540, 14160, 14640, 28140, 25560, 26280, 79632, 89640, 64080, 69840, 181800, 129780, 134820, 183120, 189840, 213360, 495180, 460320, 934080, 1001280, 380520, 1243440, 1779960]

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

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