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 | 148 |
| 2 | 4690 |
| 3 | 61953 |
| 4 | 562760 |
| 5 | 4420701 |
| 6 | 33934344 |
| 7 | 268379906 |
| 8 | 2215451575 |
| 9 | 19023816444 |
| 10 | 168305254414 |
| 11 | 1519045558334 |
| 12 | 13877824165049 |
| 13 | 127654546150864 |
| 14 | 1178500994429585 |
| 15 | 10900361047173008 |
| 16 | 100920807678845030 |