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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 31 |
| 6 | 56 |
| 7 | 96 |
| 8 | 158 |
| 9 | 253 |
| 10 | 393 |
| 11 | 594 |
| 12 | 878 |
| 13 | 1271 |
| 14 | 1806 |
| 15 | 2523 |
| 16 | 3472 |
| 17 | 4711 |
| 18 | 6312 |
| 19 | 8359 |
| 20 | 10949 |
| 21 | 14199 |
| 22 | 18243 |
| 23 | 23237 |
| 24 | 29360 |
| 25 | 36816 |
| 26 | 45841 |
| 27 | 56698 |
| 28 | 69689 |
| 29 | 85152 |
| 30 | 103467 |
| 31 | 125060 |
| 32 | 150406 |
| 33 | 180034 |
| 34 | 214529 |
| 35 | 254542 |
| 36 | 300788 |
| 37 | 354056 |
| 38 | 415215 |
| 39 | 485213 |