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 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 48 |
| 6 | 61 |
| 7 | 83 |
| 8 | 29 |
| 9 | 57 |
| 10 | 290 |
| 11 | 121 |
| 12 | 7115 |
| 13 | 14207 |
| 14 | 68320 |
| 15 | 14652 |
| 16 | 149979 |
| 17 | 122704 |
| 18 | 481540 |
| 19 | 980376 |
| 20 | 632441 |
| 21 | 29973 |
| 22 | 25343678 |
| 23 | 50577935 |
| 24 | 7512418 |
| 25 | 210836403 |
| 26 | 67253056 |
| 27 | 224083553 |
| 28 | 910629561 |
| 29 | 931524323 |
| 30 | 452509699 |
| 31 | 2880227533 |
| 32 | 396690327 |
| 33 | 57954538325 |
| 34 | 77572935454 |
| 35 | 35395016473 |