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 | 3175462089 |
| 2 | 3175804269 |
| 3 | 3204957816 |
| 4 | 3206549178 |
| 5 | 3210754689 |
| 6 | 3254196708 |
| 7 | 3260974851 |
| 8 | 3275409816 |
| 9 | 3284591706 |
| 10 | 3290581476 |
| 11 | 3406829517 |
| 12 | 3410856297 |
| 13 | 3459186720 |
| 14 | 3469857012 |
| 15 | 3475806912 |
| 16 | 3501249678 |
| 17 | 3512067849 |
| 18 | 3519876240 |
| 19 | 3549716208 |
| 20 | 3564980172 |
| 21 | 3587902614 |