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.

A246043 Biprimatic permutable numbers: Decimal numbers whose digits can be arranged to form exactly two prime numbers. No leading zeros.

Table of values

n a(n)
1 13
2 17
3 31
4 37
5 71
6 73
7 79
8 97
9 107
10 118
11 119
12 124
13 125
14 127
15 128
16 133
17 139
18 142
19 146
20 152
21 164
22 169
23 170
24 172
25 181
26 182
27 191
28 193
29 196
30 214
31 215
32 217
33 218
34 238
35 239
36 241
37 251
38 271
39 277
40 281
41 283
42 293
43 313
44 319
45 328
46 329
47 331
48 346
49 347
50 349
51 356
52 364
53 365
54 367
55 368
56 374
57 376
58 382
59 386
60 391
61 392
62 394
63 412
64 416
65 421
66 436
67 437

List of values

[13, 17, 31, 37, 71, 73, 79, 97, 107, 118, 119, 124, 125, 127, 128, 133, 139, 142, 146, 152, 164, 169, 170, 172, 181, 182, 191, 193, 196, 214, 215, 217, 218, 238, 239, 241, 251, 271, 277, 281, 283, 293, 313, 319, 328, 329, 331, 346, 347, 349, 356, 364, 365, 367, 368, 374, 376, 382, 386, 391, 392, 394, 412, 416, 421, 436, 437]