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 | 12 |
| 2 | 77 |
| 3 | 353 |
| 4 | 1298 |
| 5 | 4070 |
| 6 | 11298 |
| 7 | 28468 |
| 8 | 66275 |
| 9 | 144430 |
| 10 | 297585 |
| 11 | 584255 |
| 12 | 1099879 |
| 13 | 1995478 |
| 14 | 3503742 |
| 15 | 5974816 |
| 16 | 9924564 |
| 17 | 16098676 |
| 18 | 25556652 |
| 19 | 39780455 |
| 20 | 60813480 |
| 21 | 91436445 |
| 22 | 135387879 |
| 23 | 197638068 |
| 24 | 284726628 |
| 25 | 405175311 |
| 26 | 569989222 |
| 27 | 793261337 |
| 28 | 1092897070 |
| 29 | 1491477647 |
| 30 | 2017283215 |
| 31 | 2705498950 |
| 32 | 3599629936 |
| 33 | 4753153273 |
| 34 | 6231438741 |
| 35 | 8113972406 |