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 | 0 |
| 2 | 1 |
| 3 | 152 |
| 4 | 189 |
| 5 | 513 |
| 6 | 728 |
| 7 | 5859 |
| 8 | 6832 |
| 9 | 64008 |
| 10 | 68913 |
| 11 | 150605 |
| 12 | 155736 |
| 13 | 345744 |
| 14 | 355167 |
| 15 | 1062936 |
| 16 | 1090999 |
| 17 | 1481571 |
| 18 | 1520848 |
| 19 | 6653933 |
| 20 | 6742008 |
| 21 | 7665056 |
| 22 | 7742709 |
| 23 | 9667693 |
| 24 | 9796248 |
| 25 | 15253056 |
| 26 | 15438185 |
| 27 | 16582104 |
| 28 | 16592023 |
| 29 | 16766568 |
| 30 | 16776487 |
| 31 | 26201448 |
| 32 | 26460217 |
| 33 | 28672299 |