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 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 16 |
| 5 | 29 |
| 6 | 47 |
| 7 | 72 |
| 8 | 104 |
| 9 | 145 |
| 10 | 195 |
| 11 | 256 |
| 12 | 328 |
| 13 | 413 |
| 14 | 511 |
| 15 | 624 |
| 16 | 752 |
| 17 | 897 |
| 18 | 1059 |
| 19 | 1240 |
| 20 | 1440 |
| 21 | 1661 |
| 22 | 1903 |
| 23 | 2168 |
| 24 | 2456 |
| 25 | 2769 |
| 26 | 3107 |
| 27 | 3472 |
| 28 | 3864 |
| 29 | 4285 |
| 30 | 4735 |
| 31 | 5216 |
| 32 | 5728 |
| 33 | 6273 |
| 34 | 6851 |
| 35 | 7464 |
| 36 | 8112 |
| 37 | 8797 |
| 38 | 9519 |
| 39 | 10280 |
| 40 | 11080 |
| 41 | 11921 |
| 42 | 12803 |
| 43 | 13728 |
| 44 | 14696 |
| 45 | 15709 |