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 | 99 |
| 1 | 649 |
| 2 | 3699 |
| 3 | 9249 |
| 4 | 17299 |
| 5 | 27849 |
| 6 | 40899 |
| 7 | 56449 |
| 8 | 74499 |
| 9 | 95049 |
| 10 | 118099 |
| 11 | 143649 |
| 12 | 171699 |
| 13 | 202249 |
| 14 | 235299 |
| 15 | 270849 |
| 16 | 308899 |
| 17 | 349449 |
| 18 | 392499 |
| 19 | 438049 |
| 20 | 486099 |
| 21 | 536649 |
| 22 | 589699 |
| 23 | 645249 |
| 24 | 703299 |
| 25 | 763849 |
| 26 | 826899 |
| 27 | 892449 |
| 28 | 960499 |
| 29 | 1031049 |