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 | 30 |
| 2 | 32 |
| 3 | 33 |
| 4 | 52 |
| 5 | 60 |
| 6 | 63 |
| 7 | 90 |
| 8 | 120 |
| 9 | 150 |
| 10 | 180 |
| 11 | 210 |
| 12 | 240 |
| 13 | 270 |
| 14 | 300 |
| 15 | 330 |
| 16 | 360 |
| 17 | 390 |
| 18 | 420 |
| 19 | 450 |
| 20 | 480 |
| 21 | 510 |
| 22 | 540 |
| 23 | 570 |
| 24 | 600 |
| 25 | 630 |
| 26 | 660 |
| 27 | 690 |
| 28 | 720 |
| 29 | 750 |
| 30 | 780 |