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.

A202265 Nonprime numbers in which all substrings and reversal substrings are nonprimes.

Table of values

n a(n)
1 0
2 1
3 4
4 6
5 8
6 9
7 10
8 18
9 40
10 44
11 46
12 48
13 49
14 60
15 64
16 66
17 68
18 69
19 80
20 81
21 84
22 86
23 88
24 90
25 94
26 96
27 99
28 100
29 108
30 180
31 184
32 186
33 400
34 404
35 406
36 408
37 440
38 444
39 446
40 448
41 460
42 464
43 466
44 468
45 469
46 480
47 481
48 484
49 486
50 488
51 490
52 494
53 496
54 600
55 604
56 606
57 608
58 609

List of values

[0, 1, 4, 6, 8, 9, 10, 18, 40, 44, 46, 48, 49, 60, 64, 66, 68, 69, 80, 81, 84, 86, 88, 90, 94, 96, 99, 100, 108, 180, 184, 186, 400, 404, 406, 408, 440, 444, 446, 448, 460, 464, 466, 468, 469, 480, 481, 484, 486, 488, 490, 494, 496, 600, 604, 606, 608, 609]