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 | 10 |
| 2 | 118 |
| 3 | 1324 |
| 4 | 14626 |
| 5 | 161020 |
| 6 | 1771498 |
| 7 | 19487044 |
| 8 | 214358626 |
| 9 | 2357947180 |
| 10 | 25937423578 |
| 11 | 285311668564 |
| 12 | 3138428372626 |
| 13 | 34522712135740 |
| 14 | 379749833566858 |
| 15 | 4177248169382884 |
| 16 | 45949729863506626 |
| 17 | 505447028499162700 |