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 | 11 |
| 3 | 44 |
| 4 | 77 |
| 5 | 143 |
| 6 | 1364 |
| 7 | 7372 |
| 8 | 18131 |
| 9 | 22151 |
| 10 | 198967 |
| 11 | 275464 |
| 12 | 371731 |
| 13 | 544005 |
| 14 | 849277 |
| 15 | 1684689 |
| 16 | 2001879 |
| 17 | 2895915 |
| 18 | 3678653 |
| 19 | 4479352 |
| 20 | 5673591 |
| 21 | 6624420 |
| 22 | 6895647 |