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 | 7 |
| 3 | 31 |
| 4 | 61 |
| 5 | 139 |
| 6 | 181 |
| 7 | 241 |
| 8 | 421 |
| 9 | 619 |
| 10 | 1051 |
| 11 | 1609 |
| 12 | 1699 |
| 13 | 1789 |
| 14 | 2269 |
| 15 | 2311 |
| 16 | 2731 |
| 17 | 3259 |
| 18 | 3391 |
| 19 | 3529 |
| 20 | 3769 |
| 21 | 4159 |
| 22 | 4219 |
| 23 | 4339 |
| 24 | 4801 |
| 25 | 5641 |
| 26 | 5869 |
| 27 | 6661 |
| 28 | 6691 |
| 29 | 6871 |
| 30 | 6961 |
| 31 | 7489 |
| 32 | 7549 |
| 33 | 7591 |
| 34 | 8539 |
| 35 | 8629 |
| 36 | 8971 |
| 37 | 9631 |
| 38 | 9859 |
| 39 | 9931 |
| 40 | 10459 |
| 41 | 11119 |
| 42 | 11971 |
| 43 | 12541 |
| 44 | 13339 |