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 | 0 |
| 2 | 1 |
| 3 | 7 |
| 4 | 127 |
| 5 | 247 |
| 6 | 487 |
| 7 | 1312 |
| 8 | 1627 |
| 9 | 1852 |
| 10 | 2593 |
| 11 | 5857 |
| 12 | 6682 |
| 13 | 9157 |
| 14 | 11467 |
| 15 | 12772 |
| 16 | 23107 |
| 17 | 24607 |
| 18 | 24667 |
| 19 | 28822 |
| 20 | 32767 |
| 21 | 82087 |
| 22 | 92317 |
| 23 | 99157 |
| 24 | 107887 |
| 25 | 143497 |
| 26 | 153697 |
| 27 | 159637 |
| 28 | 194122 |
| 29 | 198742 |
| 30 | 207637 |
| 31 | 245767 |
| 32 | 284407 |
| 33 | 294703 |
| 34 | 343492 |
| 35 | 420127 |