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.

A168544 The nonprime halfs of even single (or even isolated) numbers.

Table of values

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

List of values

[1, 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, 639, 645, 651, 660, 714, 726, 741, 744, 804, 810, 834, 849]