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 | 2 |
| 3 | 2 |
| 4 | 5 |
| 5 | 5 |
| 6 | 13 |
| 7 | 15 |
| 8 | 41 |
| 9 | 52 |
| 10 | 144 |
| 11 | 203 |
| 12 | 578 |
| 13 | 877 |
| 14 | 2605 |
| 15 | 4140 |
| 16 | 12869 |
| 17 | 21147 |
| 18 | 69178 |
| 19 | 115975 |
| 20 | 398766 |
| 21 | 678570 |
| 22 | 2450406 |
| 23 | 4213597 |
| 24 | 15939952 |
| 25 | 27644437 |
| 26 | 109304914 |
| 27 | 190899322 |
| 28 | 787016238 |
| 29 | 1382958545 |
| 30 | 5931824093 |
| 31 | 10480142147 |
| 32 | 46673259309 |
| 33 | 82864869804 |
| 34 | 382473282504 |