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 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 11 |
| 8 | 18 |
| 9 | 23 |
| 10 | 37 |
| 11 | 48 |
| 12 | 74 |
| 13 | 97 |
| 14 | 147 |
| 15 | 195 |
| 16 | 290 |
| 17 | 387 |
| 18 | 568 |
| 19 | 763 |
| 20 | 1108 |
| 21 | 1495 |
| 22 | 2152 |
| 23 | 2915 |
| 24 | 4167 |
| 25 | 5662 |
| 26 | 8047 |
| 27 | 10962 |
| 28 | 15506 |
| 29 | 21168 |
| 30 | 29825 |
| 31 | 40787 |
| 32 | 57280 |
| 33 | 78448 |
| 34 | 109870 |
| 35 | 150657 |
| 36 | 210521 |
| 37 | 288969 |
| 38 | 403020 |
| 39 | 553677 |
| 40 | 770963 |
| 41 | 1059932 |
| 42 | 1473898 |