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 | 577 |
| 13 | 876 |
| 14 | 2587 |
| 15 | 4111 |
| 16 | 12589 |
| 17 | 20648 |
| 18 | 65519 |
| 19 | 109299 |
| 20 | 356613 |
| 21 | 601492 |
| 22 | 2005545 |
| 23 | 3403127 |
| 24 | 11522829 |
| 25 | 19628064 |
| 26 | 67183531 |
| 27 | 114700315 |
| 28 | 395497312 |
| 29 | 676207628 |
| 30 | 2343265049 |
| 31 | 4010090463 |
| 32 | 13942486653 |
| 33 | 23874362200 |
| 34 | 83192239491 |
| 35 | 142508723651 |