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 | 9 |
| 1 | 18 |
| 2 | 27 |
| 3 | 36 |
| 4 | 45 |
| 5 | 54 |
| 6 | 63 |
| 7 | 72 |
| 8 | 81 |
| 9 | 90 |
| 10 | 1089 |
| 11 | 1188 |
| 12 | 1287 |
| 13 | 1386 |
| 14 | 1485 |
| 15 | 1584 |
| 16 | 1683 |
| 17 | 1782 |
| 18 | 1881 |
| 19 | 1980 |
| 20 | 2079 |
| 21 | 2178 |
| 22 | 2277 |
| 23 | 2376 |
| 24 | 2475 |
| 25 | 2574 |
| 26 | 2673 |
| 27 | 2772 |
| 28 | 2871 |
| 29 | 2970 |
| 30 | 3069 |
| 31 | 3168 |
| 32 | 3267 |
| 33 | 3366 |
| 34 | 3465 |
| 35 | 3564 |
| 36 | 3663 |
| 37 | 3762 |
| 38 | 3861 |
| 39 | 3960 |
| 40 | 4059 |
| 41 | 4158 |
| 42 | 4257 |
| 43 | 4356 |
| 44 | 4455 |
| 45 | 4554 |