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 | 3 |
| 2 | 23 |
| 3 | 314 |
| 4 | 8209 |
| 5 | 620297 |
| 6 | 126742987 |
| 7 | 47301104551 |
| 8 | 32606721084786 |
| 9 | 61958046554226593 |
| 10 | 334806306946199122193 |
| 11 | 3416372868727801226636179 |
| 12 | 62595441409640805744780870839 |
| 13 | 2993270782370572835241882188306602 |
| 14 | 424202695773047673359251734568172738737 |