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 | 53 |
| 2 | 449 |
| 3 | 521 |
| 4 | 653 |
| 5 | 881 |
| 6 | 983 |
| 7 | 1031 |
| 8 | 1451 |
| 9 | 1571 |
| 10 | 1733 |
| 11 | 1889 |
| 12 | 2129 |
| 13 | 2729 |
| 14 | 3191 |
| 15 | 4259 |
| 16 | 5879 |
| 17 | 6173 |
| 18 | 7499 |
| 19 | 7829 |
| 20 | 8861 |
| 21 | 9743 |
| 22 | 9923 |
| 23 | 10271 |
| 24 | 10313 |
| 25 | 11423 |
| 26 | 11903 |
| 27 | 12041 |
| 28 | 12149 |
| 29 | 12263 |
| 30 | 12329 |
| 31 | 12641 |
| 32 | 12893 |
| 33 | 14591 |
| 34 | 14723 |
| 35 | 14771 |
| 36 | 14813 |
| 37 | 15401 |
| 38 | 16493 |
| 39 | 17783 |
| 40 | 18713 |
| 41 | 19259 |