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 | 10179 |
| 2 | 161906 |
| 3 | 1501739 |
| 4 | 9772880 |
| 5 | 49523566 |
| 6 | 208452452 |
| 7 | 760734085 |
| 8 | 2480493084 |
| 9 | 7386931919 |
| 10 | 20428661228 |
| 11 | 53150645617 |
| 12 | 131458741458 |
| 13 | 311732368552 |
| 14 | 713787172312 |
| 15 | 1587653508305 |
| 16 | 3447998356240 |
| 17 | 7343636929707 |
| 18 | 15396659787782 |