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.

A226023 A142705 (numerators of 1/4-1/(4n^2)) sorted to natural order.

Table of values

n a(n)
0 0
1 2
2 3
3 6
4 12
5 15
6 20
7 30
8 35
9 42
10 56
11 63
12 72
13 90
14 99
15 110
16 132
17 143
18 156
19 182
20 195
21 210
22 240
23 255
24 272
25 306
26 323
27 342
28 380
29 399
30 420
31 462
32 483
33 506
34 552
35 575
36 600
37 650
38 675
39 702
40 756
41 783
42 812
43 870
44 899

List of values

[0, 2, 3, 6, 12, 15, 20, 30, 35, 42, 56, 63, 72, 90, 99, 110, 132, 143, 156, 182, 195, 210, 240, 255, 272, 306, 323, 342, 380, 399, 420, 462, 483, 506, 552, 575, 600, 650, 675, 702, 756, 783, 812, 870, 899]