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 | 17 |
| 2 | 229 |
| 3 | 373 |
| 4 | 983 |
| 5 | 4177 |
| 6 | 6761 |
| 7 | 17707 |
| 8 | 4052739537877 |
| 9 | 190392490709131 |
| 10 | 19740274219868223163 |
| 11 | 354224848179261915071 |
| 12 | 11825896447871834976429068423 |
| 13 | 3807901929474025356630904134047 |