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 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 8 |
| 5 | 14 |
| 6 | 32 |
| 7 | 56 |
| 8 | 100 |
| 9 | 204 |
| 10 | 388 |
| 11 | 722 |
| 12 | 1416 |
| 13 | 2750 |
| 14 | 5256 |
| 15 | 10222 |
| 16 | 19944 |
| 17 | 38650 |
| 18 | 75272 |
| 19 | 147142 |
| 20 | 287120 |
| 21 | 561018 |
| 22 | 1098752 |
| 23 | 2152092 |
| 24 | 4217620 |
| 25 | 8276376 |
| 26 | 16250292 |
| 27 | 31921374 |
| 28 | 62754072 |
| 29 | 123440514 |
| 30 | 242921784 |
| 31 | 478310952 |
| 32 | 942260548 |
| 33 | 1856994908 |
| 34 | 3661288036 |