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.

A113305 Primes that do not divide any central trinomial coefficient, A002426.

Table of values

n a(n)
1 2
2 5
3 11
4 13
5 23
6 29
7 31
8 37
9 53
10 59
11 61
12 67
13 71
14 79
15 83
16 89
17 97
18 101
19 103
20 127
21 137
22 139
23 149
24 151
25 157
26 163
27 167
28 181
29 197
30 211
31 223
32 227
33 229
34 239
35 241
36 251
37 257
38 263
39 271
40 313
41 317
42 331
43 337
44 349
45 353
46 359
47 367
48 379
49 389
50 397
51 431
52 433
53 449
54 461
55 463
56 479

List of values

[2, 5, 11, 13, 23, 29, 31, 37, 53, 59, 61, 67, 71, 79, 83, 89, 97, 101, 103, 127, 137, 139, 149, 151, 157, 163, 167, 181, 197, 211, 223, 227, 229, 239, 241, 251, 257, 263, 271, 313, 317, 331, 337, 349, 353, 359, 367, 379, 389, 397, 431, 433, 449, 461, 463, 479]