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 | 4 |
| 3 | 7 |
| 4 | 8 |
| 5 | 18 |
| 6 | 19 |
| 7 | 73 |
| 8 | 143 |
| 9 | 192 |
| 10 | 408 |
| 11 | 533 |
| 12 | 792 |
| 13 | 3179 |
| 14 | 7709 |
| 15 | 9554 |
| 16 | 35598 |
| 17 | 41587 |
| 18 | 52919 |
| 19 | 56021 |
| 20 | 61604 |
| 21 | 78672 |
| 22 | 81624 |