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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 7 |
| 6 | 15 |
| 7 | 24 |
| 8 | 53 |
| 9 | 89 |
| 10 | 194 |
| 11 | 323 |
| 12 | 722 |
| 13 | 1197 |
| 14 | 2706 |
| 15 | 4465 |
| 16 | 10229 |
| 17 | 16814 |
| 18 | 38900 |
| 19 | 63721 |
| 20 | 148808 |
| 21 | 243006 |
| 22 | 571937 |
| 23 | 931305 |
| 24 | 2207561 |
| 25 | 3584959 |
| 26 | 8551309 |
| 27 | 13851410 |
| 28 | 33229843 |
| 29 | 53694326 |
| 30 | 129485500 |
| 31 | 208738348 |
| 32 | 505796115 |
| 33 | 813532119 |
| 34 | 1980023840 |
| 35 | 3177764415 |