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) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 17 |
| 3 | 52 |
| 4 | 147 |
| 5 | 360 |
| 6 | 819 |
| 7 | 1712 |
| 8 | 3382 |
| 9 | 6312 |
| 10 | 11286 |
| 11 | 19368 |
| 12 | 32154 |
| 13 | 51744 |
| 14 | 81114 |
| 15 | 124080 |
| 16 | 185823 |
| 17 | 272844 |
| 18 | 393679 |
| 19 | 558844 |
| 20 | 781781 |
| 21 | 1078792 |
| 22 | 1470261 |
| 23 | 1980576 |
| 24 | 2639676 |
| 25 | 3482960 |
| 26 | 4553212 |
| 27 | 5900496 |
| 28 | 7584516 |
| 29 | 9674496 |
| 30 | 12252036 |
| 31 | 15410976 |
| 32 | 19260813 |
| 33 | 23926548 |
| 34 | 29552733 |