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 | 9 |
| 6 | 12 |
| 7 | 23 |
| 8 | 38 |
| 9 | 61 |
| 10 | 78 |
| 11 | 135 |
| 12 | 194 |
| 13 | 315 |
| 14 | 454 |
| 15 | 699 |
| 16 | 982 |
| 17 | 1495 |
| 18 | 2102 |
| 19 | 3085 |
| 20 | 4406 |
| 21 | 6583 |
| 22 | 9048 |
| 23 | 13117 |
| 24 | 18540 |
| 25 | 26399 |
| 26 | 36484 |
| 27 | 51885 |
| 28 | 72498 |
| 29 | 100031 |
| 30 | 139342 |
| 31 | 192621 |
| 32 | 267068 |
| 33 | 367631 |
| 34 | 505954 |
| 35 | 687153 |
| 36 | 946412 |
| 37 | 1283367 |
| 38 | 1745974 |
| 39 | 2356935 |
| 40 | 3207554 |
| 41 | 4311591 |
| 42 | 5816404 |