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 | 10 |
| 5 | 19 |
| 6 | 35 |
| 7 | 43 |
| 8 | 80 |
| 9 | 107 |
| 10 | 143 |
| 11 | 199 |
| 12 | 218 |
| 13 | 255 |
| 14 | 304 |
| 15 | 353 |
| 16 | 560 |
| 17 | 904 |
| 18 | 996 |
| 19 | 1051 |
| 20 | 6141 |
| 21 | 8075 |
| 22 | 9913 |
| 23 | 11151 |
| 24 | 28469 |
| 25 | 75244 |
| 26 | 108960 |
| 27 | 122592 |
| 28 | 178206 |
| 29 | 187471 |
| 30 | 257431 |