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 | 15 |
| 4 | 20 |
| 5 | 24 |
| 6 | 95 |
| 7 | 104 |
| 8 | 207 |
| 9 | 224 |
| 10 | 287 |
| 11 | 464 |
| 12 | 1023 |
| 13 | 1199 |
| 14 | 1952 |
| 15 | 4095 |
| 16 | 4607 |
| 17 | 8036 |
| 18 | 12095 |
| 19 | 15872 |
| 20 | 16895 |
| 21 | 19359 |
| 22 | 22932 |
| 23 | 23519 |
| 24 | 28799 |
| 25 | 45440 |
| 26 | 45695 |
| 27 | 54144 |
| 28 | 77375 |
| 29 | 101567 |
| 30 | 102024 |
| 31 | 130304 |
| 32 | 159599 |
| 33 | 163295 |
| 34 | 223199 |
| 35 | 296207 |
| 36 | 317184 |
| 37 | 352799 |
| 38 | 522752 |
| 39 | 524160 |
| 40 | 635904 |