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.

A228096 Numbers consisting of only odd digits such that no permutation of its digits yields a prime.

Table of values

n a(n)
1 1
2 9
3 15
4 33
5 39
6 51
7 55
8 57
9 75
10 77
11 93
12 99
13 111
14 117
15 135
16 153
17 155
18 159
19 171
20 177
21 195
22 315
23 333
24 339
25 351
26 355
27 357
28 375
29 393
30 399
31 513
32 515
33 519
34 531
35 535
36 537
37 551
38 553
39 555
40 559
41 573
42 579
43 591
44 595
45 597
46 711
47 717
48 735
49 753
50 759
51 771
52 777
53 795

List of values

[1, 9, 15, 33, 39, 51, 55, 57, 75, 77, 93, 99, 111, 117, 135, 153, 155, 159, 171, 177, 195, 315, 333, 339, 351, 355, 357, 375, 393, 399, 513, 515, 519, 531, 535, 537, 551, 553, 555, 559, 573, 579, 591, 595, 597, 711, 717, 735, 753, 759, 771, 777, 795]