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.

A074901 Increasingly larger bases required for composite numbers to become prime by base reversal (A075243).

Table of values

n a(n)
1 0
2 2
3 4
4 6
5 8
6 9
7 12
8 26
9 27
10 34
11 38
12 48
13 54
14 60
15 96
16 150
17 168
18 180
19 420
20 438
21 462
22 468
23 522
24 540
25 570
26 828
27 1320
28 1782
29 2130
30 2142
31 2280
32 2370
33 2448
34 2700
35 2760
36 2790
37 2808
38 2922
39 2952
40 2982
41 3012
42 3402
43 3570
44 3582
45 3972
46 4218
47 4860
48 5148

List of values

[0, 2, 4, 6, 8, 9, 12, 26, 27, 34, 38, 48, 54, 60, 96, 150, 168, 180, 420, 438, 462, 468, 522, 540, 570, 828, 1320, 1782, 2130, 2142, 2280, 2370, 2448, 2700, 2760, 2790, 2808, 2922, 2952, 2982, 3012, 3402, 3570, 3582, 3972, 4218, 4860, 5148]