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 | 10 |
| 2 | 21 |
| 3 | 30 |
| 4 | 42 |
| 5 | 51 |
| 6 | 63 |
| 7 | 70 |
| 8 | 84 |
| 9 | 92 |
| 10 | 1501 |
| 11 | 1613 |
| 12 | 1720 |
| 13 | 1834 |
| 14 | 1942 |
| 15 | 115510 |
| 16 | 611176 |
| 17 | 1183119 |