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 | 512 |
| 3 | 17576 |
| 4 | 39304 |
| 5 | 42875 |
| 6 | 1643032 |
| 7 | 1815848 |
| 8 | 2352637 |
| 9 | 2685619 |
| 10 | 3511808 |
| 11 | 4826809 |
| 12 | 6331625 |
| 13 | 7529536 |
| 14 | 9528128 |
| 15 | 125000000 |
| 16 | 153990656 |
| 17 | 155720872 |
| 18 | 175616000 |
| 19 | 181321496 |
| 20 | 183250432 |
| 21 | 208527857 |
| 22 | 265847707 |
| 23 | 281011375 |
| 24 | 306182024 |
| 25 | 308915776 |
| 26 | 334255384 |
| 27 | 357911000 |
| 28 | 403583419 |