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.

A168497 The halfs of even single (or even isolated) numbers.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 9
6 15
7 21
8 30
9 36
10 51
11 54
12 69
13 75
14 90
15 96
16 99
17 114
18 120
19 135
20 141
21 156
22 174
23 210
24 216
25 231
26 261
27 285
28 300
29 309
30 321
31 330
32 405
33 411
34 414
35 429
36 441
37 510
38 516
39 525
40 531
41 546
42 576
43 615
44 639
45 645
46 651
47 660
48 714
49 726
50 741
51 744
52 804
53 810
54 834
55 849
56 861
57 894

List of values

[1, 2, 3, 6, 9, 15, 21, 30, 36, 51, 54, 69, 75, 90, 96, 99, 114, 120, 135, 141, 156, 174, 210, 216, 231, 261, 285, 300, 309, 321, 330, 405, 411, 414, 429, 441, 510, 516, 525, 531, 546, 576, 615, 639, 645, 651, 660, 714, 726, 741, 744, 804, 810, 834, 849, 861, 894]