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.
n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 21 |
5 | 39 |
6 | 51 |
7 | 99 |
8 | 111 |
9 | 159 |
10 | 171 |
11 | 249 |
12 | 261 |
13 | 309 |
14 | 321 |
15 | 369 |
16 | 381 |
17 | 669 |
18 | 681 |
19 | 729 |
20 | 741 |
21 | 789 |
22 | 801 |
23 | 1089 |
24 | 1101 |
25 | 1149 |
26 | 1161 |
27 | 1209 |
28 | 1221 |
29 | 1509 |
30 | 1521 |
31 | 1569 |
32 | 1581 |
33 | 1629 |
34 | 1641 |
35 | 1929 |
36 | 1941 |
37 | 1989 |
38 | 2001 |
39 | 2049 |
40 | 2061 |
41 | 2559 |
42 | 2571 |
43 | 2619 |
44 | 2631 |
45 | 2679 |
46 | 2691 |
47 | 2979 |
48 | 2991 |
49 | 3039 |