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.

A216303 Numbers k such that 10k+1 and 10k+3 are prime but 10k+7 and 10k+9 are composite.

Table of values

n a(n)
1 28
2 52
3 115
4 172
5 193
6 211
7 214
8 259
9 280
10 337
11 358
12 382
13 385
14 424
15 427
16 442
17 448
18 502
19 613
20 655
21 676
22 679
23 733
24 901
25 928
26 1027
27 1030
28 1135
29 1207
30 1216
31 1225
32 1393
33 1456
34 1459
35 1558
36 1597
37 1645
38 1663
39 1690
40 1768
41 1813
42 1831
43 1852
44 1918
45 1954
46 1984
47 1996
48 2023

List of values

[28, 52, 115, 172, 193, 211, 214, 259, 280, 337, 358, 382, 385, 424, 427, 442, 448, 502, 613, 655, 676, 679, 733, 901, 928, 1027, 1030, 1135, 1207, 1216, 1225, 1393, 1456, 1459, 1558, 1597, 1645, 1663, 1690, 1768, 1813, 1831, 1852, 1918, 1954, 1984, 1996, 2023]