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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 7 |
| 5 | 15 |
| 6 | 30 |
| 7 | 56 |
| 8 | 98 |
| 9 | 161 |
| 10 | 250 |
| 11 | 370 |
| 12 | 536 |
| 13 | 748 |
| 14 | 1027 |
| 15 | 1379 |
| 16 | 1807 |
| 17 | 2320 |
| 18 | 2954 |
| 19 | 3702 |
| 20 | 4604 |
| 21 | 5652 |
| 22 | 6852 |
| 23 | 8239 |
| 24 | 9858 |
| 25 | 11683 |
| 26 | 13748 |
| 27 | 16086 |
| 28 | 18700 |
| 29 | 21604 |
| 30 | 24887 |
| 31 | 28471 |
| 32 | 32491 |
| 33 | 36907 |
| 34 | 41751 |
| 35 | 47080 |
| 36 | 52876 |
| 37 | 59105 |
| 38 | 65965 |
| 39 | 73440 |
| 40 | 81521 |
| 41 | 90176 |