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 | 5 |
| 2 | 26 |
| 3 | 121 |
| 4 | 300 |
| 5 | 1009 |
| 6 | 1477 |
| 7 | 4591 |
| 8 | 15049 |
| 9 | 35101 |
| 10 | 35101 |
| 11 | 83161 |
| 12 | 176401 |
| 13 | 291721 |
| 14 | 291721 |
| 15 | 720721 |
| 16 | 1081081 |
| 17 | 1496881 |
| 18 | 2106721 |
| 19 | 3341521 |
| 20 | 3341521 |
| 21 | 5654881 |
| 22 | 7207201 |
| 23 | 8648641 |
| 24 | 10810801 |
| 25 | 13693681 |
| 26 | 15135121 |
| 27 | 21621601 |
| 28 | 28274401 |
| 29 | 28274401 |
| 30 | 41081041 |
| 31 | 41081041 |
| 32 | 41081041 |