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 | 37 |
| 2 | 1369 |
| 3 | 17737 |
| 4 | 397221 |
| 5 | 8373905 |
| 6 | 159327093 |
| 7 | 3254925997 |
| 8 | 65503023421 |
| 9 | 1306330464063 |
| 10 | 26282885757023 |
| 11 | 527346719280577 |
| 12 | 10574042671627575 |
| 13 | 212249791397406163 |
| 14 | 4258527016456970551 |
| 15 | 85440779581637659129 |