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 | 5 |
| 2 | 17 |
| 3 | 53 |
| 4 | 151 |
| 5 | 157 |
| 6 | 163 |
| 7 | 173 |
| 8 | 463 |
| 9 | 467 |
| 10 | 491 |
| 11 | 523 |
| 12 | 541 |
| 13 | 1451 |
| 14 | 1471 |
| 15 | 1483 |
| 16 | 1489 |
| 17 | 1499 |
| 18 | 1511 |
| 19 | 1549 |
| 20 | 1553 |
| 21 | 1567 |
| 22 | 1609 |
| 23 | 1657 |
| 24 | 1721 |
| 25 | 1723 |
| 26 | 4583 |
| 27 | 4597 |
| 28 | 4621 |
| 29 | 4649 |
| 30 | 4663 |
| 31 | 4673 |
| 32 | 4703 |
| 33 | 4729 |
| 34 | 4751 |
| 35 | 4759 |
| 36 | 4787 |
| 37 | 4813 |
| 38 | 4937 |
| 39 | 4943 |
| 40 | 4973 |
| 41 | 4993 |
| 42 | 5039 |
| 43 | 5077 |
| 44 | 5227 |
| 45 | 5297 |