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 | 42 |
| 2 | 1764 |
| 3 | 10710 |
| 4 | 36456 |
| 5 | 92610 |
| 6 | 196812 |
| 7 | 370734 |
| 8 | 640080 |
| 9 | 1034586 |
| 10 | 1588020 |
| 11 | 2338182 |
| 12 | 3326904 |
| 13 | 4600050 |
| 14 | 6207516 |
| 15 | 8203230 |
| 16 | 10645152 |
| 17 | 13595274 |
| 18 | 17119620 |
| 19 | 21288246 |
| 20 | 26175240 |
| 21 | 31858722 |
| 22 | 38420844 |
| 23 | 45947790 |
| 24 | 54529776 |
| 25 | 64261050 |
| 26 | 75239892 |
| 27 | 87568614 |