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.

A227771 Antiharmonic numbers that are not squares.

Table of values

n a(n)
1 20
2 50
3 117
4 180
5 200
6 242
7 325
8 450
9 468
10 500
11 578
12 605
13 650
14 800
15 968
16 980
17 1025
18 1058
19 1280
20 1300
21 1445
22 1476
23 1620
24 1682
25 1700
26 1800
27 1872
28 2178
29 2312
30 2340
31 2420
32 2450
33 2600
34 2645
35 2925
36 3200
37 3362
38 3380
39 3757
40 3872
41 4050
42 4100
43 4205
44 4232
45 4352
46 4418
47 4500
48 4693
49 5200

List of values

[20, 50, 117, 180, 200, 242, 325, 450, 468, 500, 578, 605, 650, 800, 968, 980, 1025, 1058, 1280, 1300, 1445, 1476, 1620, 1682, 1700, 1800, 1872, 2178, 2312, 2340, 2420, 2450, 2600, 2645, 2925, 3200, 3362, 3380, 3757, 3872, 4050, 4100, 4205, 4232, 4352, 4418, 4500, 4693, 5200]