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 | 111 |
2 | 123 |
3 | 135 |
4 | 147 |
5 | 159 |
6 | 210 |
7 | 222 |
8 | 234 |
9 | 246 |
10 | 258 |
11 | 321 |
12 | 333 |
13 | 345 |
14 | 357 |
15 | 369 |
16 | 420 |
17 | 432 |
18 | 444 |
19 | 456 |
20 | 468 |
21 | 531 |
22 | 543 |
23 | 555 |
24 | 567 |
25 | 579 |
26 | 630 |
27 | 642 |
28 | 654 |
29 | 666 |
30 | 678 |
31 | 741 |
32 | 753 |
33 | 765 |
34 | 777 |
35 | 789 |
36 | 840 |
37 | 852 |
38 | 864 |
39 | 876 |
40 | 888 |
41 | 951 |
42 | 963 |
43 | 975 |
44 | 987 |
45 | 999 |
46 | 1111 |
47 | 1234 |