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 | 57 |
| 2 | 775 |
| 3 | 5211 |
| 4 | 23320 |
| 5 | 80132 |
| 6 | 228826 |
| 7 | 569874 |
| 8 | 1277427 |
| 9 | 2634115 |
| 10 | 5075433 |
| 11 | 9244885 |
| 12 | 16061058 |
| 13 | 26797798 |
| 14 | 43178660 |
| 15 | 67486804 |
| 16 | 102691509 |
| 17 | 152592477 |
| 18 | 221983099 |
| 19 | 316833855 |
| 20 | 444497020 |
| 21 | 613933848 |
| 22 | 835965406 |
| 23 | 1123548230 |
| 24 | 1492075975 |