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 | 126 |
| 2 | 11486 |
| 3 | 986014 |
| 4 | 79562696 |
| 5 | 6345491150 |
| 6 | 507575149862 |
| 7 | 38819080346585 |
| 8 | 2710823731820118 |
| 9 | 169682177514345615 |
| 10 | 9515799841809545361 |
| 11 | 481274130722917682825 |
| 12 | 22134553939263522315031 |
| 13 | 933117878015049935514941 |