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 | 35 |
| 2 | 77 |
| 3 | 2611 |
| 4 | 22440 |
| 5 | 43308 |
| 6 | 1127514 |
| 7 | 175865 |
| 8 | 20393189 |
| 9 | 14766300 |
| 10 | 158314010 |
| 11 | 495900141 |
| 12 | 452698962 |
| 13 | 6176064188 |
| 14 | 493804760 |
| 15 | 39573007249 |
| 16 | 18657025428 |
| 17 | 128820947525 |
| 18 | 280570465208 |
| 19 | 193035367346 |
| 20 | 1994641001437 |
| 21 | 119475251989 |