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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 16 |
| 7 | 24 |
| 8 | 35 |
| 9 | 52 |
| 10 | 77 |
| 11 | 114 |
| 12 | 168 |
| 13 | 249 |
| 14 | 368 |
| 15 | 545 |
| 16 | 806 |
| 17 | 1194 |
| 18 | 1768 |
| 19 | 2619 |
| 20 | 3879 |
| 21 | 5747 |
| 22 | 8514 |
| 23 | 12615 |
| 24 | 18692 |
| 25 | 27698 |
| 26 | 41045 |
| 27 | 60826 |
| 28 | 90141 |
| 29 | 133589 |
| 30 | 197981 |
| 31 | 293417 |
| 32 | 434861 |
| 33 | 644497 |
| 34 | 955202 |
| 35 | 1415703 |
| 36 | 2098222 |
| 37 | 3109803 |
| 38 | 4609098 |
| 39 | 6831253 |
| 40 | 10124787 |
| 41 | 15006259 |