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 | 178 |
| 3 | 4247 |
| 4 | 151081 |
| 5 | 4681376 |
| 6 | 150278792 |
| 7 | 4742833745 |
| 8 | 150293731826 |
| 9 | 4749894184013 |
| 10 | 150188217692849 |
| 11 | 4746661471100000 |
| 12 | 150023910675120177 |
| 13 | 4741289321059094672 |
| 14 | 149841677173229096314 |
| 15 | 4735456640427554680211 |