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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 6 |
| 7 | 16 |
| 8 | 36 |
| 9 | 71 |
| 10 | 128 |
| 11 | 220 |
| 12 | 376 |
| 13 | 661 |
| 14 | 1211 |
| 15 | 2290 |
| 16 | 4382 |
| 17 | 8347 |
| 18 | 15706 |
| 19 | 29191 |
| 20 | 53824 |
| 21 | 99009 |
| 22 | 182497 |
| 23 | 337745 |
| 24 | 627401 |
| 25 | 1167937 |
| 26 | 2174834 |
| 27 | 4046070 |
| 28 | 7517368 |
| 29 | 13951852 |
| 30 | 25880583 |
| 31 | 48009456 |
| 32 | 89090436 |
| 33 | 165392856 |
| 34 | 307137901 |