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) |
|---|---|
| 0 | 7 |
| 1 | 1657 |
| 2 | 247969 |
| 3 | 35821441 |
| 4 | 5159655937 |
| 5 | 743006877697 |
| 6 | 106993187463169 |
| 7 | 15407021359595521 |
| 8 | 2218611104160546817 |
| 9 | 319479999339664244737 |
| 10 | 46005119908998197280769 |
| 11 | 6624737266944778960896001 |
| 12 | 953962166440636632998608897 |