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.

A113304 Primes that divide some central trinomial coefficient, A002426.

Table of values

n a(n)
1 3
2 7
3 17
4 19
5 41
6 43
7 47
8 73
9 107
10 109
11 113
12 131
13 173
14 179
15 191
16 193
17 199
18 233
19 269
20 277
21 281
22 283
23 293
24 307
25 311
26 347
27 373
28 383
29 401
30 409
31 419
32 421
33 439
34 443
35 457
36 467
37 503
38 509
39 521
40 547
41 563
42 569
43 593
44 613
45 617
46 631
47 653
48 673
49 691
50 701
51 709
52 719
53 739
54 743

List of values

[3, 7, 17, 19, 41, 43, 47, 73, 107, 109, 113, 131, 173, 179, 191, 193, 199, 233, 269, 277, 281, 283, 293, 307, 311, 347, 373, 383, 401, 409, 419, 421, 439, 443, 457, 467, 503, 509, 521, 547, 563, 569, 593, 613, 617, 631, 653, 673, 691, 701, 709, 719, 739, 743]