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 | 8 |
| 2 | 17 |
| 3 | 77 |
| 4 | 216 |
| 5 | 809 |
| 6 | 2529 |
| 7 | 8832 |
| 8 | 28793 |
| 9 | 97933 |
| 10 | 324464 |
| 11 | 1092561 |
| 12 | 3642241 |
| 13 | 12217528 |
| 14 | 40825697 |
| 15 | 136745357 |
| 16 | 457357256 |
| 17 | 1531058169 |
| 18 | 5122533089 |
| 19 | 17144628912 |
| 20 | 57369165513 |
| 21 | 191993439053 |
| 22 | 642478726624 |
| 23 | 2150072260001 |
| 24 | 7195049684481 |