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 | 7 |
| 4 | 13 |
| 5 | 29 |
| 6 | 41 |
| 7 | 67 |
| 8 | 147 |
| 9 | 195 |
| 10 | 247 |
| 11 | 381 |
| 12 | 829 |
| 13 | 1069 |
| 14 | 1277 |
| 15 | 1545 |
| 16 | 2307 |
| 17 | 4995 |
| 18 | 6339 |
| 19 | 7379 |
| 20 | 8451 |
| 21 | 9975 |
| 22 | 14589 |
| 23 | 31485 |
| 24 | 39549 |
| 25 | 45373 |
| 26 | 50733 |
| 27 | 56829 |
| 28 | 66057 |
| 29 | 95235 |
| 30 | 205059 |
| 31 | 255747 |
| 32 | 290691 |
| 33 | 320707 |
| 34 | 351187 |
| 35 | 388099 |