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.

A252656 Numbers n such that 3^n - n is a semiprime.

Table of values

n a(n)
1 4
2 6
3 10
4 25
5 28
6 32
7 98
8 124
9 146
10 164
11 182
12 190
13 200
14 220
15 226
16 230
17 248
18 280
19 362
20 376
21 418
22 446
23 518
24 544

List of values

[4, 6, 10, 25, 28, 32, 98, 124, 146, 164, 182, 190, 200, 220, 226, 230, 248, 280, 362, 376, 418, 446, 518, 544]