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.

A081375 a(n) is the least number k such that A081373(k) = n.

Table of values

n a(n)
1 1
2 2
3 6
4 12
5 30
6 42
7 72
8 78
9 84
10 90
11 190
12 216
13 222
14 228
15 234
16 252
17 270
18 540
19 546
20 570
21 630
22 738
23 744
24 770
25 792
26 858
27 900
28 924
29 930
30 990
31 1050
32 1638
33 1710
34 1890
35 1980
36 2100
37 2310
38 2418
39 2442
40 2508
41 2562
42 2574
43 2604
44 2700
45 2772
46 2790
47 2850
48 2970
49 3150

List of values

[1, 2, 6, 12, 30, 42, 72, 78, 84, 90, 190, 216, 222, 228, 234, 252, 270, 540, 546, 570, 630, 738, 744, 770, 792, 858, 900, 924, 930, 990, 1050, 1638, 1710, 1890, 1980, 2100, 2310, 2418, 2442, 2508, 2562, 2574, 2604, 2700, 2772, 2790, 2850, 2970, 3150]