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.

A320137 Numbers that have only one middle divisor.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 9
6 16
7 18
8 25
9 32
10 36
11 49
12 50
13 64
14 81
15 98
16 100
17 121
18 128
19 162
20 169
21 196
22 200
23 225
24 242
25 256
26 289
27 324
28 338
29 361
30 392
31 441
32 484
33 512
34 529
35 578
36 625
37 676
38 722
39 729
40 784
41 841
42 882
43 961
44 968
45 1024
46 1058
47 1089
48 1156
49 1250
50 1352
51 1369
52 1444
53 1458
54 1521
55 1681
56 1682
57 1849
58 1922
59 1936
60 2025
61 2048
62 2116

List of values

[1, 2, 4, 8, 9, 16, 18, 25, 32, 36, 49, 50, 64, 81, 98, 100, 121, 128, 162, 169, 196, 200, 225, 242, 256, 289, 324, 338, 361, 392, 441, 484, 512, 529, 578, 625, 676, 722, 729, 784, 841, 882, 961, 968, 1024, 1058, 1089, 1156, 1250, 1352, 1369, 1444, 1458, 1521, 1681, 1682, 1849, 1922, 1936, 2025, 2048, 2116]