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 | 4 |
| 3 | 10 |
| 4 | 20 |
| 5 | 36 |
| 6 | 61 |
| 7 | 99 |
| 8 | 155 |
| 9 | 236 |
| 10 | 352 |
| 11 | 517 |
| 12 | 750 |
| 13 | 1077 |
| 14 | 1534 |
| 15 | 2171 |
| 16 | 3057 |
| 17 | 4287 |
| 18 | 5992 |
| 19 | 8353 |
| 20 | 11620 |
| 21 | 16138 |
| 22 | 22383 |
| 23 | 31012 |
| 24 | 42932 |
| 25 | 59395 |
| 26 | 82129 |
| 27 | 113519 |
| 28 | 156857 |
| 29 | 216687 |
| 30 | 299281 |
| 31 | 413296 |
| 32 | 570681 |
| 33 | 787929 |
| 34 | 1087805 |
| 35 | 1501731 |
| 36 | 2073078 |
| 37 | 2861710 |
| 38 | 3950256 |
| 39 | 5452767 |