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) |
|---|---|
| 3 | 7 |
| 4 | 4977 |
| 5 | 711326 |
| 6 | 63602770 |
| 7 | 4709047749 |
| 8 | 320401872035 |
| 9 | 20951777849212 |
| 10 | 1344192783541860 |
| 11 | 85442420316605891 |
| 12 | 5406486257577661333 |
| 13 | 341342273242841583258 |
| 14 | 21527330224106110255670 |
| 15 | 1356927944579525164818433 |
| 16 | 85508356311211819638169671 |
| 17 | 5387705299223777670172444664 |