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 | 45 |
| 2 | 162 |
| 3 | 243 |
| 4 | 324 |
| 5 | 405 |
| 6 | 486 |
| 7 | 567 |
| 8 | 648 |
| 9 | 729 |
| 10 | 891 |
| 11 | 2223 |
| 12 | 4446 |
| 13 | 4455 |
| 14 | 4545 |
| 15 | 4950 |
| 16 | 5445 |
| 17 | 6669 |
| 18 | 7767 |
| 19 | 8892 |
| 20 | 8910 |
| 21 | 10701 |
| 22 | 18819 |
| 23 | 19512 |
| 24 | 21402 |
| 25 | 22212 |
| 26 | 26829 |
| 27 | 32103 |
| 28 | 37638 |
| 29 | 39024 |
| 30 | 42804 |
| 31 | 43434 |
| 32 | 44424 |
| 33 | 53505 |
| 34 | 53658 |
| 35 | 56457 |
| 36 | 56556 |
| 37 | 58536 |
| 38 | 64206 |
| 39 | 66636 |
| 40 | 70731 |
| 41 | 74907 |
| 42 | 75276 |
| 43 | 77778 |
| 44 | 78048 |