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 | 5 |
| 3 | 8 |
| 4 | 16 |
| 5 | 21 |
| 6 | 42 |
| 7 | 51 |
| 8 | 90 |
| 9 | 121 |
| 10 | 185 |
| 11 | 235 |
| 12 | 386 |
| 13 | 465 |
| 14 | 679 |
| 15 | 908 |
| 16 | 1261 |
| 17 | 1580 |
| 18 | 2238 |
| 19 | 2770 |
| 20 | 3827 |
| 21 | 4831 |
| 22 | 6314 |
| 23 | 7910 |
| 24 | 10619 |
| 25 | 13074 |
| 26 | 16813 |
| 27 | 21049 |
| 28 | 26934 |
| 29 | 33072 |
| 30 | 42445 |
| 31 | 51679 |
| 32 | 65264 |
| 33 | 79902 |
| 34 | 99309 |
| 35 | 121548 |
| 36 | 151325 |
| 37 | 182697 |
| 38 | 224873 |
| 39 | 272625 |
| 40 | 334536 |
| 41 | 401999 |
| 42 | 491560 |
| 43 | 588723 |