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.

A387396 a(n) is the smallest positive number with a total of exactly n 2's in the decimal digits of its divisors.

Table of values

n a(n)
0 1
1 2
2 12
3 22
4 72
5 84
6 168
7 264
8 252
9 756
10 504
11 672
12 1260
13 1512
14 2184
15 2640
16 2772
17 2016
18 2520
19 4032
20 5544
21 5040
22 6048
23 6720
24 7392
25 13104
26 12096
27 16632
28 10080
29 15120
30 18144
31 21840
32 33600
33 25200
34 34320
35 22176
36 20160
37 34272
38 30240
39 42840
40 45360
41 36960
42 50400
43 52416
44 55440
45 94248
46 65520
47 66528
48 60480

List of values

[1, 2, 12, 22, 72, 84, 168, 264, 252, 756, 504, 672, 1260, 1512, 2184, 2640, 2772, 2016, 2520, 4032, 5544, 5040, 6048, 6720, 7392, 13104, 12096, 16632, 10080, 15120, 18144, 21840, 33600, 25200, 34320, 22176, 20160, 34272, 30240, 42840, 45360, 36960, 50400, 52416, 55440, 94248, 65520, 66528, 60480]