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 | 10 |
| 2 | 373 |
| 3 | 7119 |
| 4 | 111030 |
| 5 | 1530196 |
| 6 | 19506257 |
| 7 | 235936139 |
| 8 | 2746052608 |
| 9 | 31022271550 |
| 10 | 342198075407 |
| 11 | 3701853692717 |
| 12 | 39403644085768 |
| 13 | 413754416309036 |
| 14 | 4294547371071725 |
| 15 | 44133332753598489 |
| 16 | 449640869111701814 |
| 17 | 4546623490067918046 |
| 18 | 45670109992300898801 |