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 | 23 |
| 4 | 1000003 |
| 5 | 6000023 |
| 6 | 8000023 |
| 7 | 20000003 |
| 8 | 20000023 |
| 9 | 26000003 |
| 10 | 1003000001 |
| 11 | 1006000001 |
| 12 | 1023000023 |
| 13 | 1028000023 |
| 14 | 3001000001 |
| 15 | 3003000001 |
| 16 | 3010000001 |
| 17 | 3018000001 |
| 18 | 3018000023 |
| 19 | 3023000023 |
| 20 | 5005000001 |