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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 21 |
| 3 | 43 |
| 4 | 84 |
| 5 | 127 |
| 6 | 189 |
| 7 | 253 |
| 8 | 336 |
| 9 | 421 |
| 10 | 525 |
| 11 | 631 |
| 12 | 756 |
| 13 | 883 |
| 14 | 1029 |
| 15 | 1177 |
| 16 | 1344 |
| 17 | 1513 |
| 18 | 1701 |
| 19 | 1891 |
| 20 | 2100 |
| 21 | 2311 |
| 22 | 2541 |
| 23 | 2773 |
| 24 | 3024 |
| 25 | 3277 |
| 26 | 3549 |
| 27 | 3823 |
| 28 | 4116 |
| 29 | 4411 |
| 30 | 4725 |
| 31 | 5041 |
| 32 | 5376 |
| 33 | 5713 |
| 34 | 6069 |
| 35 | 6427 |
| 36 | 6804 |
| 37 | 7183 |
| 38 | 7581 |
| 39 | 7981 |
| 40 | 8400 |
| 41 | 8821 |
| 42 | 9261 |
| 43 | 9703 |
| 44 | 10164 |