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.

A065607 Related to reciprocal Pythagorean triples: 1/a(n)^2 + 1/k^2 = 1/j^2 has an integer solution (k,j) with k

Table of values

n a(n)
1 20
2 40
3 60
4 80
5 100
6 120
7 140
8 156
9 160
10 180
11 200
12 220
13 240
14 255
15 260
16 280
17 300
18 312
19 320
20 340
21 360
22 380
23 400
24 420
25 440
26 460
27 468
28 480
29 500
30 510
31 520
32 540
33 560
34 580
35 600
36 600
37 609
38 620
39 624
40 640
41 660
42 680
43 700
44 720
45 740
46 760
47 765
48 780
49 780
50 800
51 820
52 840

List of values

[20, 40, 60, 80, 100, 120, 140, 156, 160, 180, 200, 220, 240, 255, 260, 280, 300, 312, 320, 340, 360, 380, 400, 420, 440, 460, 468, 480, 500, 510, 520, 540, 560, 580, 600, 600, 609, 620, 624, 640, 660, 680, 700, 720, 740, 760, 765, 780, 780, 800, 820, 840]