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.

A294112 Practical numbers z such that z^2 = x^2 + y^2 for some practical numbers x and y with gcd(x,y,z) = 4.

Table of values

n a(n)
1 20
2 100
3 260
4 340
5 500
6 740
7 820
8 1700
9 2900
10 3380
11 4100
12 5300
13 5780
14 6500
15 7540
16 8500
17 8900
18 9620
19 9860
20 10100
21 11300
22 12580
23 13700
24 13780
25 13940
26 14900
27 15860
28 16820
29 17300
30 18020
31 18500
32 18980
33 19300
34 19700
35 22100
36 23780
37 25220
38 27380
39 28340
40 29380
41 30260
42 30340
43 30500
44 30740
45 33620
46 34340
47 35380
48 35620
49 36500
50 37060

List of values

[20, 100, 260, 340, 500, 740, 820, 1700, 2900, 3380, 4100, 5300, 5780, 6500, 7540, 8500, 8900, 9620, 9860, 10100, 11300, 12580, 13700, 13780, 13940, 14900, 15860, 16820, 17300, 18020, 18500, 18980, 19300, 19700, 22100, 23780, 25220, 27380, 28340, 29380, 30260, 30340, 30500, 30740, 33620, 34340, 35380, 35620, 36500, 37060]