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 | 27 |
| 2 | 1002 |
| 3 | 7809 |
| 4 | 33204 |
| 5 | 101751 |
| 6 | 253758 |
| 7 | 549213 |
| 8 | 1071720 |
| 9 | 1932435 |
| 10 | 3274002 |
| 11 | 5274489 |
| 12 | 8151324 |
| 13 | 12165231 |
| 14 | 17624166 |
| 15 | 24887253 |
| 16 | 34368720 |
| 17 | 46541835 |
| 18 | 61942842 |
| 19 | 81174897 |
| 20 | 104912004 |
| 21 | 133902951 |
| 22 | 168975246 |
| 23 | 211039053 |
| 24 | 261091128 |
| 25 | 320218755 |