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 | 9 |
| 2 | 108 |
| 3 | 198 |
| 4 | 288 |
| 5 | 378 |
| 6 | 468 |
| 7 | 558 |
| 8 | 648 |
| 9 | 738 |
| 10 | 828 |
| 11 | 918 |
| 12 | 1098 |
| 13 | 1188 |
| 14 | 1278 |
| 15 | 1368 |
| 16 | 1458 |
| 17 | 1548 |
| 18 | 1638 |
| 19 | 1728 |
| 20 | 1818 |
| 21 | 1917 |
| 22 | 2007 |
| 23 | 2088 |
| 24 | 2178 |
| 25 | 2268 |
| 26 | 2358 |
| 27 | 2448 |
| 28 | 2538 |
| 29 | 2628 |
| 30 | 2718 |
| 31 | 2817 |
| 32 | 2907 |
| 33 | 2997 |
| 34 | 3078 |
| 35 | 3168 |
| 36 | 3258 |
| 37 | 3348 |
| 38 | 3438 |
| 39 | 3528 |
| 40 | 3618 |
| 41 | 3717 |
| 42 | 3807 |
| 43 | 3897 |
| 44 | 3987 |
| 45 | 4068 |
| 46 | 4158 |
| 47 | 4248 |