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.

A071011 Numbers n such that n is a sum of 2 squares (i.e., n is in A001481(k)) and sigma(n) == 0 (mod 4).

Table of values

n a(n)
1 65
2 85
3 125
4 130
5 145
6 170
7 185
8 205
9 221
10 250
11 260
12 265
13 290
14 305
15 340
16 365
17 370
18 377
19 410
20 442
21 445
22 481
23 485
24 493
25 500
26 505
27 520
28 530
29 533
30 545
31 565
32 580
33 585
34 610
35 629
36 680
37 685
38 689
39 697
40 730
41 740
42 745
43 754
44 765
45 785
46 793
47 820
48 865
49 884
50 890
51 901
52 905

List of values

[65, 85, 125, 130, 145, 170, 185, 205, 221, 250, 260, 265, 290, 305, 340, 365, 370, 377, 410, 442, 445, 481, 485, 493, 500, 505, 520, 530, 533, 545, 565, 580, 585, 610, 629, 680, 685, 689, 697, 730, 740, 745, 754, 765, 785, 793, 820, 865, 884, 890, 901, 905]