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 | 71 |
| 2 | 281 |
| 3 | 491 |
| 4 | 701 |
| 5 | 911 |
| 6 | 2381 |
| 7 | 2591 |
| 8 | 2801 |
| 9 | 3011 |
| 10 | 3221 |
| 11 | 3851 |
| 12 | 4271 |
| 13 | 4481 |
| 14 | 4691 |
| 15 | 5531 |
| 16 | 5741 |
| 17 | 6581 |
| 18 | 6791 |
| 19 | 7001 |
| 20 | 7211 |
| 21 | 7841 |
| 22 | 8681 |
| 23 | 9311 |
| 24 | 9521 |
| 25 | 9941 |
| 26 | 10151 |
| 27 | 10781 |
| 28 | 11411 |
| 29 | 11621 |
| 30 | 11831 |
| 31 | 12041 |
| 32 | 12251 |
| 33 | 12671 |
| 34 | 13721 |
| 35 | 13931 |
| 36 | 14561 |
| 37 | 14771 |
| 38 | 15401 |
| 39 | 16451 |