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 | 4 |
| 5 | 10 |
| 6 | 11 |
| 7 | 18 |
| 8 | 27 |
| 9 | 30 |
| 10 | 32 |
| 11 | 43 |
| 12 | 69 |
| 13 | 70 |
| 14 | 264 |
| 15 | 1409 |
| 16 | 3027 |
| 17 | 7471 |
| 18 | 8946 |
| 19 | 10576 |
| 20 | 12595 |
| 21 | 14034 |
| 22 | 22849 |
| 23 | 37124 |
| 24 | 70083 |
| 25 | 107868 |
| 26 | 469850 |