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.

A125220 Numbers k such that binomial(3k, k) - 1 is prime.

Table of values

n a(n)
1 1
2 3
3 7
4 11
5 49
6 88
7 93
8 196
9 216
10 519
11 655
12 722
13 858
14 905
15 991
16 1654
17 2277
18 3275
19 4214
20 5047
21 5924
22 7359
23 7953
24 11188
25 13286
26 14626
27 14687
28 34365
29 36014
30 65613
31 93663
32 101805

List of values

[1, 3, 7, 11, 49, 88, 93, 196, 216, 519, 655, 722, 858, 905, 991, 1654, 2277, 3275, 4214, 5047, 5924, 7359, 7953, 11188, 13286, 14626, 14687, 34365, 36014, 65613, 93663, 101805]