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.

A181970 Places of nonprimes in A050376.

Table of values

n a(n)
1 3
2 6
3 9
4 13
5 20
6 28
7 37
8 47
9 63
10 71
11 83
12 111
13 127
14 160
15 177
16 235
17 280
18 301
19 348
20 377
21 430
22 509
23 542
24 633
25 700
26 731
27 838
28 875
29 915
30 1030
31 1194
32 1284
33 1327
34 1415
35 1458
36 1559
37 1752
38 1915
39 2015
40 2181
41 2231
42 2531
43 2590
44 2773
45 2960
46 3089
47 3154
48 3289
49 3485
50 3562
51 3919
52 3997
53 4142

List of values

[3, 6, 9, 13, 20, 28, 37, 47, 63, 71, 83, 111, 127, 160, 177, 235, 280, 301, 348, 377, 430, 509, 542, 633, 700, 731, 838, 875, 915, 1030, 1194, 1284, 1327, 1415, 1458, 1559, 1752, 1915, 2015, 2181, 2231, 2531, 2590, 2773, 2960, 3089, 3154, 3289, 3485, 3562, 3919, 3997, 4142]