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 | 71820 |
| 2 | 103950 |
| 3 | 127764 |
| 4 | 135660 |
| 5 | 141360 |
| 6 | 161460 |
| 7 | 173250 |
| 8 | 183744 |
| 9 | 193284 |
| 10 | 203580 |
| 11 | 206712 |
| 12 | 209440 |
| 13 | 214830 |
| 14 | 217620 |
| 15 | 221760 |
| 16 | 223020 |
| 17 | 223860 |
| 18 | 234432 |
| 19 | 243540 |
| 20 | 244440 |
| 21 | 246330 |
| 22 | 247752 |
| 23 | 256680 |
| 24 | 263160 |
| 25 | 264180 |
| 26 | 265200 |
| 27 | 280368 |
| 28 | 281160 |
| 29 | 286380 |
| 30 | 287712 |