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 | 3070 |
| 2 | 30410 |
| 3 | 136990 |
| 4 | 467290 |
| 5 | 1240310 |
| 6 | 2986210 |
| 7 | 6260470 |
| 8 | 12345410 |
| 9 | 22576030 |
| 10 | 39299170 |
| 11 | 64929590 |
| 12 | 104218930 |
| 13 | 160450990 |
| 14 | 240932330 |
| 15 | 352487350 |