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 | 6653 |
| 3 | 9605 |
| 4 | 218413 |
| 5 | 283720 |
| 6 | 996005 |
| 7 | 58446925 |
| 8 | 99960005 |
| 9 | 6086712229 |
| 10 | 7385370133 |
| 11 | 8478948853 |
| 12 | 9999600005 |
| 13 | 120178240093 |
| 14 | 161171620229 |
| 15 | 358247912200 |
| 16 | 426843573160 |
| 17 | 893417179213 |
| 18 | 999996000005 |
| 19 | 23376713203604 |