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) |
|---|---|
| 3 | 883 |
| 4 | 3181 |
| 5 | 15913 |
| 6 | 2146141 |
| 7 | 17227801 |
| 8 | 456185017 |
| 9 | 4960846573 |
| 10 | 568124640697 |
| 11 | 2273325467773 |
| 12 | 145351829612377 |
| 13 | 9302101084613641 |
| 14 | 595332797734595317 |
| 15 | 5813792718345189961 |
| 16 | 1139502378775815768313 |
| 17 | 166245781044286357673761 |