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 | 6 |
| 3 | 10 |
| 4 | 15 |
| 5 | 52 |
| 6 | 105 |
| 7 | 175 |
| 8 | 481 |
| 9 | 1028 |
| 10 | 2000 |
| 11 | 4821 |
| 12 | 10368 |
| 13 | 21285 |
| 14 | 48625 |
| 15 | 105889 |
| 16 | 224578 |
| 17 | 498106 |
| 18 | 1084331 |
| 19 | 2331760 |
| 20 | 5121797 |
| 21 | 11162455 |
| 22 | 24152665 |
| 23 | 52751528 |
| 24 | 114914016 |
| 25 | 249490481 |
| 26 | 543949956 |
| 27 | 1184591233 |
| 28 | 2575134753 |
| 29 | 5608825345 |
| 30 | 12212701582 |
| 31 | 26569155354 |
| 32 | 57849402071 |