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 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 32 |
| 6 | 62 |
| 7 | 114 |
| 8 | 198 |
| 9 | 326 |
| 10 | 512 |
| 11 | 772 |
| 12 | 1124 |
| 13 | 1588 |
| 14 | 2186 |
| 15 | 2942 |
| 16 | 3882 |
| 17 | 5034 |
| 18 | 6428 |
| 19 | 8096 |
| 20 | 10072 |
| 21 | 12392 |
| 22 | 15094 |
| 23 | 18218 |
| 24 | 21806 |
| 25 | 25902 |
| 26 | 30552 |
| 27 | 35804 |
| 28 | 41708 |
| 29 | 48316 |
| 30 | 55682 |
| 31 | 63862 |
| 32 | 72914 |
| 33 | 82898 |
| 34 | 93876 |
| 35 | 105912 |
| 36 | 119072 |
| 37 | 133424 |
| 38 | 149038 |