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 | 1 |
| 2 | 19 |
| 3 | 256 |
| 4 | 3435 |
| 5 | 9044 |
| 6 | 45735 |
| 7 | 127375 |
| 8 | 346499 |
| 9 | 667623 |
| 10 | 1659159 |
| 11 | 2752326 |
| 12 | 5689368 |
| 13 | 9976897 |
| 14 | 17538154 |
| 15 | 25598415 |
| 16 | 44565127 |
| 17 | 61843772 |
| 18 | 99471988 |
| 19 | 145959173 |
| 20 | 215170467 |
| 21 | 281539258 |
| 22 | 421251283 |
| 23 | 576147610 |
| 24 | 807868670 |
| 25 | 1076649303 |
| 26 | 1462427055 |