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 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 8 |
| 7 | 8 |
| 8 | 16 |
| 9 | 16 |
| 10 | 31 |
| 11 | 32 |
| 12 | 62 |
| 13 | 63 |
| 14 | 124 |
| 15 | 126 |
| 16 | 248 |
| 17 | 252 |
| 18 | 496 |
| 19 | 504 |
| 20 | 991 |
| 21 | 1007 |
| 22 | 1982 |
| 23 | 2013 |
| 24 | 3960 |
| 25 | 4023 |
| 26 | 7914 |
| 27 | 8040 |
| 28 | 15816 |
| 29 | 16068 |
| 30 | 31609 |
| 31 | 32112 |
| 32 | 63171 |
| 33 | 64180 |
| 34 | 126251 |
| 35 | 128266 |
| 36 | 252318 |
| 37 | 256347 |
| 38 | 504268 |
| 39 | 512324 |
| 40 | 1007801 |
| 41 | 1023909 |
| 42 | 2014131 |
| 43 | 2046338 |
| 44 | 4025329 |
| 45 | 4089724 |