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 | 0 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 32 |
| 7 | 60 |
| 8 | 114 |
| 9 | 212 |
| 10 | 384 |
| 11 | 692 |
| 12 | 1232 |
| 13 | 2160 |
| 14 | 3760 |
| 15 | 6480 |
| 16 | 11056 |
| 17 | 18728 |
| 18 | 31474 |
| 19 | 52492 |
| 20 | 86976 |
| 21 | 143176 |
| 22 | 234224 |
| 23 | 380988 |
| 24 | 616288 |
| 25 | 991624 |
| 26 | 1587600 |
| 27 | 2529560 |
| 28 | 4011808 |
| 29 | 6334656 |
| 30 | 9960080 |
| 31 | 15596532 |
| 32 | 24327122 |
| 33 | 37801568 |
| 34 | 58525152 |
| 35 | 90291232 |
| 36 | 138825416 |