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 | 7 |
| 2 | 9551 |
| 3 | 303027 |
| 4 | 440999 |
| 5 | 968819 |
| 6 | 5517973 |
| 7 | 27737957 |
| 8 | 93230839 |
| 9 | 46492090901 |
| 10 | 426836115943 |
| 11 | 732382677641 |
| 12 | 4895576080181 |
| 13 | 77628540590583 |
| 14 | 3475456543097857 |
| 15 | 20396537622790811 |