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 | 65 |
| 2 | 4225 |
| 3 | 105936 |
| 4 | 2276625 |
| 5 | 56006452 |
| 6 | 1455584860 |
| 7 | 37121455086 |
| 8 | 933389392995 |
| 9 | 23502259683934 |
| 10 | 593617743280100 |
| 11 | 14997131474172367 |
| 12 | 378662158472685372 |
| 13 | 9559398762581848139 |
| 14 | 241351966658699739066 |
| 15 | 6093846582029230600582 |