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 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 9 |
| 6 | 15 |
| 7 | 16 |
| 8 | 24 |
| 9 | 59 |
| 10 | 61 |
| 11 | 81 |
| 12 | 100 |
| 13 | 124 |
| 14 | 129 |
| 15 | 152 |
| 16 | 169 |
| 17 | 196 |
| 18 | 249 |
| 19 | 305 |
| 20 | 400 |
| 21 | 425 |
| 22 | 475 |
| 23 | 520 |
| 24 | 556 |
| 25 | 565 |
| 26 | 676 |
| 27 | 771 |
| 28 | 795 |
| 29 | 904 |
| 30 | 939 |