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 | 1 |
| 3 | 3 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 11 |
| 8 | 15 |
| 9 | 21 |
| 10 | 33 |
| 11 | 39 |
| 12 | 55 |
| 13 | 69 |
| 14 | 93 |
| 15 | 127 |
| 16 | 159 |
| 17 | 201 |
| 18 | 261 |
| 19 | 327 |
| 20 | 411 |
| 21 | 537 |
| 22 | 653 |
| 23 | 819 |
| 24 | 1011 |
| 25 | 1257 |
| 26 | 1529 |
| 27 | 1899 |
| 28 | 2331 |
| 29 | 2829 |
| 30 | 3441 |
| 31 | 4179 |
| 32 | 5031 |
| 33 | 6093 |
| 34 | 7305 |
| 35 | 8767 |
| 36 | 10575 |
| 37 | 12573 |
| 38 | 14997 |
| 39 | 17847 |
| 40 | 21223 |
| 41 | 25089 |
| 42 | 29757 |
| 43 | 35055 |
| 44 | 41379 |
| 45 | 48801 |
| 46 | 57285 |
| 47 | 67131 |