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 | 1 |
| 2 | 29 |
| 3 | 499 |
| 4 | 6676 |
| 5 | 77078 |
| 6 | 810470 |
| 7 | 8016373 |
| 8 | 76199007 |
| 9 | 706750917 |
| 10 | 6470051684 |
| 11 | 58990507604 |
| 12 | 539568082508 |
| 13 | 4980617941373 |
| 14 | 46623060002853 |
| 15 | 444309621663295 |
| 16 | 4323539568389616 |
| 17 | 43053687075812286 |
| 18 | 439371904347001594 |