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 | 87 |
| 2 | 1873 |
| 3 | 32556 |
| 4 | 494555 |
| 5 | 6820330 |
| 6 | 87098434 |
| 7 | 1056792824 |
| 8 | 12348422785 |
| 9 | 140068079857 |
| 10 | 1551453118671 |
| 11 | 16861973522704 |
| 12 | 180469353488204 |
| 13 | 1907201493832312 |
| 14 | 19944555935687461 |
| 15 | 206749466424763994 |