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 | 42 |
| 3 | 153 |
| 4 | 504 |
| 5 | 921 |
| 6 | 921 |
| 7 | 17729 |
| 8 | 17729 |
| 9 | 17729 |
| 10 | 17729 |
| 11 | 60610 |
| 12 | 60610 |
| 13 | 109617 |
| 14 | 109617 |
| 15 | 109617 |
| 16 | 109617 |
| 17 | 109617 |
| 18 | 109617 |
| 19 | 109599 |
| 20 | 658778 |
| 21 | 658778 |
| 22 | 658778 |
| 23 | 658778 |
| 24 | 658778 |
| 25 | 658778 |
| 26 | 658778 |
| 27 | 658778 |
| 28 | 658778 |
| 29 | 658778 |
| 30 | 658778 |
| 31 | 658778 |
| 32 | 658778 |
| 33 | 658778 |
| 34 | 658778 |
| 35 | 658778 |
| 36 | 2184074 |
| 37 | 2184074 |
| 38 | 2184074 |