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.

A378884 Numbers that are not powers of primes and whose two smallest prime divisors are consecutive primes.

Table of values

n a(n)
1 6
2 12
3 15
4 18
5 24
6 30
7 35
8 36
9 42
10 45
11 48
12 54
13 60
14 66
15 72
16 75
17 77
18 78
19 84
20 90
21 96
22 102
23 105
24 108
25 114
26 120
27 126
28 132
29 135
30 138
31 143
32 144
33 150
34 156
35 162
36 165
37 168
38 174
39 175
40 180
41 186
42 192
43 195
44 198
45 204
46 210
47 216
48 221
49 222
50 225
51 228
52 234
53 240
54 245
55 246
56 252
57 255
58 258

List of values

[6, 12, 15, 18, 24, 30, 35, 36, 42, 45, 48, 54, 60, 66, 72, 75, 77, 78, 84, 90, 96, 102, 105, 108, 114, 120, 126, 132, 135, 138, 143, 144, 150, 156, 162, 165, 168, 174, 175, 180, 186, 192, 195, 198, 204, 210, 216, 221, 222, 225, 228, 234, 240, 245, 246, 252, 255, 258]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.