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.

A229610 Array: each row starts with the least prime not in a previous row, and each prime p in a row is followed by the least prime > 3*p.

Table of values

n a(n)
1 2
2 7
3 3
4 23
5 11
6 5
7 71
8 37
9 17
10 13
11 223
12 113
13 53
14 41
15 19
16 673
17 347
18 163
19 127
20 59
21 29
22 2027
23 1049
24 491
25 383
26 179
27 89
28 31
29 6089
30 3163
31 1481
32 1151
33 541
34 269
35 97
36 43
37 18269
38 9491
39 4447
40 3457
41 1627
42 809
43 293
44 131
45 47
46 54829
47 28477
48 13367
49 10391
50 4889
51 2437
52 881

List of values

[2, 7, 3, 23, 11, 5, 71, 37, 17, 13, 223, 113, 53, 41, 19, 673, 347, 163, 127, 59, 29, 2027, 1049, 491, 383, 179, 89, 31, 6089, 3163, 1481, 1151, 541, 269, 97, 43, 18269, 9491, 4447, 3457, 1627, 809, 293, 131, 47, 54829, 28477, 13367, 10391, 4889, 2437, 881]