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 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 20 |
| 7 | 35 |
| 8 | 70 |
| 9 | 126 |
| 10 | 251 |
| 11 | 460 |
| 12 | 911 |
| 13 | 1690 |
| 14 | 3327 |
| 15 | 6225 |
| 16 | 12190 |
| 17 | 22950 |
| 18 | 44744 |
| 19 | 84626 |
| 20 | 164407 |
| 21 | 312019 |
| 22 | 604487 |
| 23 | 1150208 |
| 24 | 2223504 |
| 25 | 4239225 |
| 26 | 8181175 |
| 27 | 15621426 |
| 28 | 30108147 |
| 29 | 57556155 |
| 30 | 110820165 |
| 31 | 212037241 |
| 32 | 407946421 |
| 33 | 781074572 |
| 34 | 1501844193 |
| 35 | 2877011660 |
| 36 | 5529362694 |