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.

A066737 Composite numbers that are concatenations of primes.

Table of values

n a(n)
1 22
2 25
3 27
4 32
5 33
6 35
7 52
8 55
9 57
10 72
11 75
12 77
13 112
14 115
15 117
16 132
17 133
18 135
19 172
20 175
21 177
22 192
23 195
24 213
25 217
26 219
27 222
28 225
29 231
30 232
31 235
32 237
33 243
34 247
35 252
36 253
37 255
38 259
39 261
40 267
41 272
42 273
43 275
44 279
45 289
46 292
47 295
48 297
49 312
50 315
51 319
52 322
53 323
54 325

List of values

[22, 25, 27, 32, 33, 35, 52, 55, 57, 72, 75, 77, 112, 115, 117, 132, 133, 135, 172, 175, 177, 192, 195, 213, 217, 219, 222, 225, 231, 232, 235, 237, 243, 247, 252, 253, 255, 259, 261, 267, 272, 273, 275, 279, 289, 292, 295, 297, 312, 315, 319, 322, 323, 325]