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 | 3 |
| 4 | 5 |
| 5 | 9 |
| 6 | 11 |
| 7 | 15 |
| 8 | 21 |
| 9 | 27 |
| 10 | 29 |
| 11 | 39 |
| 12 | 99 |
| 13 | 159 |
| 14 | 213 |
| 15 | 249 |
| 16 | 351 |
| 17 | 443 |
| 18 | 489 |
| 19 | 513 |
| 20 | 563 |
| 21 | 705 |
| 22 | 1059 |
| 23 | 1599 |
| 24 | 1733 |
| 25 | 2361 |
| 26 | 3699 |
| 27 | 4263 |
| 28 | 4451 |
| 29 | 4479 |
| 30 | 5141 |
| 31 | 5751 |
| 32 | 7355 |
| 33 | 7461 |
| 34 | 8525 |
| 35 | 8861 |
| 36 | 18231 |
| 37 | 19629 |
| 38 | 23571 |
| 39 | 41789 |
| 40 | 76973 |
| 41 | 86997 |
| 42 | 93735 |
| 43 | 98943 |