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 | 35 |
| 2 | 1225 |
| 3 | 27790 |
| 4 | 497958 |
| 5 | 8573507 |
| 6 | 152271025 |
| 7 | 2780848289 |
| 8 | 51325449985 |
| 9 | 949582166068 |
| 10 | 17572045403455 |
| 11 | 325249748226217 |
| 12 | 6022221071267123 |
| 13 | 111533443784218247 |
| 14 | 2065901802649317374 |
| 15 | 38268294526698715055 |