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.

A326124 a(n) is the sum of all divisors of the first n positive even numbers.

Table of values

n a(n)
1 3
2 10
3 22
4 37
5 55
6 83
7 107
8 138
9 177
10 219
11 255
12 315
13 357
14 413
15 485
16 548
17 602
18 693
19 753
20 843
21 939
22 1023
23 1095
24 1219
25 1312
26 1410
27 1530
28 1650
29 1740
30 1908
31 2004
32 2131
33 2275
34 2401
35 2545
36 2740
37 2854
38 2994
39 3162
40 3348
41 3474
42 3698
43 3830
44 4010
45 4244
46 4412
47 4556
48 4808
49 4979
50 5196
51 5412
52 5622
53 5784
54 6064
55 6280

List of values

[3, 10, 22, 37, 55, 83, 107, 138, 177, 219, 255, 315, 357, 413, 485, 548, 602, 693, 753, 843, 939, 1023, 1095, 1219, 1312, 1410, 1530, 1650, 1740, 1908, 2004, 2131, 2275, 2401, 2545, 2740, 2854, 2994, 3162, 3348, 3474, 3698, 3830, 4010, 4244, 4412, 4556, 4808, 4979, 5196, 5412, 5622, 5784, 6064, 6280]