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 | 11 |
| 3 | 29 |
| 4 | 70 |
| 5 | 157 |
| 6 | 337 |
| 7 | 702 |
| 8 | 1420 |
| 9 | 2780 |
| 10 | 5258 |
| 11 | 9615 |
| 12 | 17043 |
| 13 | 29381 |
| 14 | 49430 |
| 15 | 81404 |
| 16 | 131563 |
| 17 | 209084 |
| 18 | 327237 |
| 19 | 504945 |
| 20 | 768820 |
| 21 | 1155781 |
| 22 | 1716375 |
| 23 | 2518938 |
| 24 | 3654750 |
| 25 | 5244356 |
| 26 | 7445244 |
| 27 | 10461091 |
| 28 | 14552809 |
| 29 | 20051645 |
| 30 | 27374612 |
| 31 | 37042552 |
| 32 | 49701157 |