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 | 20 |
| 3 | 30 |
| 4 | 400 |
| 5 | 50 |
| 6 | 600 |
| 7 | 70 |
| 8 | 8000 |
| 9 | 900 |
| 10 | 1000 |
| 11 | 110 |
| 12 | 12000 |
| 13 | 130 |
| 14 | 1400 |
| 15 | 1500 |
| 16 | 160000 |
| 17 | 170 |
| 18 | 18000 |
| 19 | 190 |
| 20 | 20000 |
| 21 | 2100 |
| 22 | 2200 |
| 23 | 230 |
| 24 | 240000 |
| 25 | 2500 |
| 26 | 2600 |
| 27 | 27000 |
| 28 | 28000 |
| 29 | 290 |
| 30 | 30000 |
| 31 | 310 |
| 32 | 3200000 |
| 33 | 3300 |
| 34 | 3400 |
| 35 | 3500 |
| 36 | 360000 |
| 37 | 370 |
| 38 | 3800 |
| 39 | 3900 |
| 40 | 400000 |
| 41 | 410 |
| 42 | 42000 |
| 43 | 430 |