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.

A381218 Odd numbers with both an odd number of prime factors (counted with multiplicity) and an odd number of distinct prime factors. (Intersection of A067019 and A098903.)

Table of values

n a(n)
1 3
2 5
3 7
4 11
5 13
6 17
7 19
8 23
9 27
10 29
11 31
12 37
13 41
14 43
15 47
16 53
17 59
18 61
19 67
20 71
21 73
22 79
23 83
24 89
25 97
26 101
27 103
28 105
29 107
30 109
31 113
32 125
33 127
34 131
35 137
36 139
37 149
38 151
39 157
40 163
41 165
42 167
43 173
44 179
45 181
46 191
47 193
48 195
49 197
50 199
51 211
52 223
53 227
54 229
55 231
56 233
57 239

List of values

[3, 5, 7, 11, 13, 17, 19, 23, 27, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 105, 107, 109, 113, 125, 127, 131, 137, 139, 149, 151, 157, 163, 165, 167, 173, 179, 181, 191, 193, 195, 197, 199, 211, 223, 227, 229, 231, 233, 239]

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

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