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.

A100424 A sieve transform applied three times to the positive integers.

Table of values

n a(n)
1 2
2 3
3 13
4 37
5 107
6 139
7 223
8 251
9 359
10 397
11 503
12 647
13 683
14 857
15 887
16 1033
17 1151
18 1249
19 1291
20 1429
21 1493
22 1601
23 1667
24 1783
25 1831
26 2003
27 2053
28 2267
29 2377
30 2459
31 2593
32 2677
33 2753
34 2801
35 2903
36 3119
37 3209
38 3347
39 3461
40 3557
41 3607
42 3727
43 3851
44 4079
45 4139
46 4243

List of values

[2, 3, 13, 37, 107, 139, 223, 251, 359, 397, 503, 647, 683, 857, 887, 1033, 1151, 1249, 1291, 1429, 1493, 1601, 1667, 1783, 1831, 2003, 2053, 2267, 2377, 2459, 2593, 2677, 2753, 2801, 2903, 3119, 3209, 3347, 3461, 3557, 3607, 3727, 3851, 4079, 4139, 4243]