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 | 1 |
| 2 | 4 |
| 3 | 8 |
| 4 | 21 |
| 5 | 39 |
| 6 | 92 |
| 7 | 170 |
| 8 | 360 |
| 9 | 667 |
| 10 | 1316 |
| 11 | 2393 |
| 12 | 4541 |
| 13 | 8100 |
| 14 | 14824 |
| 15 | 26071 |
| 16 | 46422 |
| 17 | 80314 |
| 18 | 139978 |
| 19 | 238641 |
| 20 | 408201 |
| 21 | 686799 |
| 22 | 1156062 |
| 23 | 1920992 |
| 24 | 3189144 |
| 25 | 5238848 |
| 26 | 8589850 |
| 27 | 13963467 |
| 28 | 22641585 |
| 29 | 36447544 |
| 30 | 58507590 |
| 31 | 93334008 |
| 32 | 148449417 |
| 33 | 234829969 |
| 34 | 370345918 |