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.

A352140 Numbers whose prime factorization has all even prime indices and all odd exponents.

Table of values

n a(n)
1 1
2 3
3 7
4 13
5 19
6 21
7 27
8 29
9 37
10 39
11 43
12 53
13 57
14 61
15 71
16 79
17 87
18 89
19 91
20 101
21 107
22 111
23 113
24 129
25 131
26 133
27 139
28 151
29 159
30 163
31 173
32 181
33 183
34 189
35 193
36 199
37 203
38 213
39 223
40 229
41 237
42 239
43 243
44 247
45 251
46 259
47 263
48 267
49 271
50 273
51 281
52 293
53 301
54 303
55 311
56 317

List of values

[1, 3, 7, 13, 19, 21, 27, 29, 37, 39, 43, 53, 57, 61, 71, 79, 87, 89, 91, 101, 107, 111, 113, 129, 131, 133, 139, 151, 159, 163, 173, 181, 183, 189, 193, 199, 203, 213, 223, 229, 237, 239, 243, 247, 251, 259, 263, 267, 271, 273, 281, 293, 301, 303, 311, 317]