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) |
|---|---|
| 0 | 27 |
| 1 | 2197 |
| 2 | 12167 |
| 3 | 35937 |
| 4 | 79507 |
| 5 | 148877 |
| 6 | 250047 |
| 7 | 389017 |
| 8 | 571787 |
| 9 | 804357 |
| 10 | 1092727 |
| 11 | 1442897 |
| 12 | 1860867 |
| 13 | 2352637 |
| 14 | 2924207 |
| 15 | 3581577 |
| 16 | 4330747 |
| 17 | 5177717 |
| 18 | 6128487 |
| 19 | 7189057 |
| 20 | 8365427 |
| 21 | 9663597 |
| 22 | 11089567 |
| 23 | 12649337 |
| 24 | 14348907 |
| 25 | 16194277 |
| 26 | 18191447 |
| 27 | 20346417 |
| 28 | 22665187 |
| 29 | 25153757 |
| 30 | 27818127 |