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 | 2 |
| 3 | 3 |
| 4 | 7 |
| 5 | 13 |
| 6 | 17 |
| 7 | 43 |
| 8 | 63 |
| 9 | 83 |
| 10 | 167 |
| 11 | 264 |
| 12 | 313 |
| 13 | 707 |
| 14 | 836 |
| 15 | 1667 |
| 16 | 2236 |
| 17 | 3114 |
| 18 | 4472 |
| 19 | 6833 |
| 20 | 8167 |
| 21 | 8937 |
| 22 | 16667 |
| 23 | 21886 |
| 24 | 29614 |
| 25 | 41833 |
| 26 | 74833 |
| 27 | 89437 |
| 28 | 94863 |
| 29 | 134164 |
| 30 | 191833 |
| 31 | 298327 |
| 32 | 545793 |
| 33 | 547613 |
| 34 | 947617 |
| 35 | 987917 |
| 36 | 1643167 |
| 37 | 3143167 |
| 38 | 3162083 |
| 39 | 5477133 |