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.

A273293 Numbers k such that k and k^2 are the sums of two nonzero squares in exactly two ways.

Table of values

n a(n)
1 50
2 200
3 338
4 450
5 578
6 800
7 1352
8 1682
9 1800
10 2312
11 2450
12 2738
13 3042
14 3200
15 3362
16 4050
17 5202
18 5408
19 5618
20 6050
21 6728
22 7200
23 7442
24 9248
25 9800
26 10658
27 10952
28 12168
29 12800
30 13448
31 15138
32 15842
33 16200
34 16562
35 18050
36 18818
37 20402
38 20808
39 21632
40 22050
41 22472
42 23762
43 24200
44 24642
45 25538

List of values

[50, 200, 338, 450, 578, 800, 1352, 1682, 1800, 2312, 2450, 2738, 3042, 3200, 3362, 4050, 5202, 5408, 5618, 6050, 6728, 7200, 7442, 9248, 9800, 10658, 10952, 12168, 12800, 13448, 15138, 15842, 16200, 16562, 18050, 18818, 20402, 20808, 21632, 22050, 22472, 23762, 24200, 24642, 25538]