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 | 5 |
| 4 | 9 |
| 5 | 15 |
| 6 | 23 |
| 7 | 41 |
| 8 | 61 |
| 9 | 117 |
| 10 | 165 |
| 11 | 343 |
| 12 | 475 |
| 13 | 1049 |
| 14 | 1397 |
| 15 | 3267 |
| 16 | 4275 |
| 17 | 10419 |
| 18 | 13231 |
| 19 | 33545 |
| 20 | 41965 |
| 21 | 109499 |
| 22 | 133895 |
| 23 | 359367 |
| 24 | 434123 |
| 25 | 1189795 |
| 26 | 1412351 |
| 27 | 3952757 |
| 28 | 4646449 |
| 29 | 13211071 |
| 30 | 15318819 |
| 31 | 44260077 |
| 32 | 50916453 |
| 33 | 148927917 |
| 34 | 169476849 |