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 | 1920 |
| 3 | 118128 |
| 4 | 7798591 |
| 5 | 535504390 |
| 6 | 37791169786 |
| 7 | 2719090433234 |
| 8 | 198527626261156 |
| 9 | 14661270464301970 |
| 10 | 1092691428398410348 |
| 11 | 82050496246290924387 |
| 12 | 6199895182931575557720 |
| 13 | 470968211438917677149130 |