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) |
|---|---|
| 2 | 2 |
| 3 | 5 |
| 4 | 9 |
| 5 | 22 |
| 6 | 31 |
| 7 | 53 |
| 8 | 81 |
| 9 | 97 |
| 10 | 134 |
| 11 | 177 |
| 12 | 201 |
| 13 | 253 |
| 14 | 311 |
| 15 | 342 |
| 16 | 409 |
| 17 | 482 |
| 18 | 561 |
| 19 | 603 |
| 20 | 691 |
| 21 | 785 |
| 22 | 885 |
| 23 | 937 |
| 24 | 1046 |
| 25 | 1161 |
| 26 | 1282 |
| 27 | 1409 |
| 28 | 1475 |
| 29 | 1611 |
| 30 | 1753 |
| 31 | 1901 |
| 32 | 2055 |
| 33 | 2215 |
| 34 | 2297 |
| 35 | 2466 |
| 36 | 2641 |
| 37 | 2822 |
| 38 | 3009 |
| 39 | 3202 |
| 40 | 3301 |
| 41 | 3503 |
| 42 | 3711 |
| 43 | 3925 |
| 44 | 4145 |
| 45 | 4371 |
| 46 | 4486 |
| 47 | 4721 |