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 | 17 |
| 7 | 19 |
| 8 | 31 |
| 9 | 45 |
| 10 | 153 |
| 11 | 167 |
| 12 | 287 |
| 13 | 397 |
| 14 | 613 |
| 15 | 1695 |
| 16 | 2007 |
| 17 | 3185 |
| 18 | 4565 |
| 19 | 6799 |
| 20 | 9235 |
| 21 | 24057 |
| 22 | 27645 |
| 23 | 44483 |
| 24 | 61619 |
| 25 | 92089 |
| 26 | 122857 |
| 27 | 179355 |
| 28 | 385995 |
| 29 | 468605 |
| 30 | 713849 |
| 31 | 996331 |
| 32 | 1441447 |
| 33 | 1947813 |
| 34 | 2766657 |
| 35 | 3659135 |
| 36 | 7467623 |
| 37 | 8930629 |
| 38 | 13471885 |
| 39 | 18283575 |
| 40 | 26484639 |