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 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 23 |
| 5 | 53 |
| 6 | 89 |
| 7 | 113 |
| 8 | 211 |
| 9 | 1259 |
| 10 | 1327 |
| 11 | 1847 |
| 12 | 2179 |
| 13 | 2503 |
| 14 | 5623 |
| 15 | 14107 |
| 16 | 19661 |
| 17 | 24281 |
| 18 | 38501 |
| 19 | 58831 |
| 20 | 268343 |
| 21 | 396833 |
| 22 | 1272749 |
| 23 | 2198981 |
| 24 | 3863107 |
| 25 | 4411963 |
| 26 | 4958131 |
| 27 | 5102953 |
| 28 | 7950001 |
| 29 | 8917523 |
| 30 | 10938023 |
| 31 | 12623189 |
| 32 | 22440841 |
| 33 | 24662467 |
| 34 | 32616223 |