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.

A129631 Numbers k such that sum of digits of binomial(k+1, k-1) is a prime.

Table of values

n a(n)
1 2
2 6
3 15
4 20
5 24
6 31
7 34
8 43
9 52
10 61
11 67
12 70
13 76
14 85
15 88
16 91
17 94
18 97
19 103
20 106
21 112
22 115
23 121
24 124
25 127
26 130
27 133
28 136
29 139
30 141
31 145
32 151
33 154
34 160
35 163
36 166
37 169
38 178
39 181
40 190
41 193
42 196
43 199
44 200
45 208
46 211
47 217
48 226
49 229
50 232
51 235
52 238
53 241
54 247
55 250
56 259

List of values

[2, 6, 15, 20, 24, 31, 34, 43, 52, 61, 67, 70, 76, 85, 88, 91, 94, 97, 103, 106, 112, 115, 121, 124, 127, 130, 133, 136, 139, 141, 145, 151, 154, 160, 163, 166, 169, 178, 181, 190, 193, 196, 199, 200, 208, 211, 217, 226, 229, 232, 235, 238, 241, 247, 250, 259]