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 | 3037 |
| 2 | 3631 |
| 3 | 10271 |
| 4 | 92251 |
| 5 | 334651 |
| 6 | 3302191 |
| 7 | 3349403 |
| 8 | 3494923 |
| 9 | 3500897 |
| 10 | 3574297 |
| 11 | 3971207 |
| 12 | 9067837 |
| 13 | 9150139 |
| 14 | 11914451 |
| 15 | 16077421 |
| 16 | 16651111 |
| 17 | 30842221 |
| 18 | 32333971 |
| 19 | 34747217 |
| 20 | 71704051 |
| 21 | 71900987 |
| 22 | 76642031 |
| 23 | 78818581 |
| 24 | 92032757 |
| 25 | 104062963 |