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.

A369563 Powerful numbers whose prime factors are all of the form 4*k + 1.

Table of values

n a(n)
1 1
2 25
3 125
4 169
5 289
6 625
7 841
8 1369
9 1681
10 2197
11 2809
12 3125
13 3721
14 4225
15 4913
16 5329
17 7225
18 7921
19 9409
20 10201
21 11881
22 12769
23 15625
24 18769
25 21025
26 21125
27 22201
28 24389
29 24649
30 28561
31 29929
32 32761
33 34225
34 36125
35 37249
36 38809
37 42025
38 48841
39 50653
40 52441
41 54289
42 54925

List of values

[1, 25, 125, 169, 289, 625, 841, 1369, 1681, 2197, 2809, 3125, 3721, 4225, 4913, 5329, 7225, 7921, 9409, 10201, 11881, 12769, 15625, 18769, 21025, 21125, 22201, 24389, 24649, 28561, 29929, 32761, 34225, 36125, 37249, 38809, 42025, 48841, 50653, 52441, 54289, 54925]