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 | 34 |
| 2 | 987 |
| 3 | 28657 |
| 4 | 832040 |
| 5 | 24157817 |
| 6 | 701408733 |
| 7 | 20365011074 |
| 8 | 591286729879 |
| 9 | 17167680177565 |
| 10 | 498454011879264 |
| 11 | 14472334024676221 |
| 12 | 420196140727489673 |
| 13 | 12200160415121876738 |
| 14 | 354224848179261915075 |
| 15 | 10284720757613717413913 |