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) |
|---|---|
| 0 | 1 |
| 1 | 29 |
| 2 | 464 |
| 3 | 5423 |
| 4 | 51562 |
| 5 | 421660 |
| 6 | 3067243 |
| 7 | 20294258 |
| 8 | 124073136 |
| 9 | 709124530 |
| 10 | 3822833563 |
| 11 | 19575902886 |
| 12 | 95762136734 |
| 13 | 449596203788 |
| 14 | 2033731127704 |
| 15 | 8892638053645 |
| 16 | 37692168204784 |
| 17 | 155240829585546 |