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 | 8 |
| 6 | 15 |
| 7 | 20 |
| 8 | 35 |
| 9 | 48 |
| 10 | 76 |
| 11 | 103 |
| 12 | 166 |
| 13 | 221 |
| 14 | 333 |
| 15 | 451 |
| 16 | 671 |
| 17 | 894 |
| 18 | 1303 |
| 19 | 1730 |
| 20 | 2479 |
| 21 | 3288 |
| 22 | 4615 |
| 23 | 6086 |
| 24 | 8502 |
| 25 | 11142 |
| 26 | 15299 |
| 27 | 20034 |
| 28 | 27285 |
| 29 | 35514 |
| 30 | 47937 |
| 31 | 62168 |
| 32 | 83259 |
| 33 | 107650 |
| 34 | 142929 |
| 35 | 184090 |
| 36 | 243207 |
| 37 | 312041 |
| 38 | 409210 |
| 39 | 523709 |
| 40 | 683261 |
| 41 | 871239 |
| 42 | 1130703 |