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 | 547 |
| 2 | 35983 |
| 3 | 111049 |
| 4 | 2738179 |
| 5 | 6076687 |
| 6 | 15860209 |
| 7 | 53530639 |
| 8 | 685318537 |
| 9 | 1043755441 |
| 10 | 1670649571 |
| 11 | 2347515619 |
| 12 | 9761226721 |
| 13 | 10330521727 |
| 14 | 12188475769 |
| 15 | 15042514033 |
| 16 | 25486958659 |
| 17 | 30383211043 |
| 18 | 40608270601 |
| 19 | 45701408383 |