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) |
|---|---|
| 4 | 1 |
| 5 | 3 |
| 6 | 8 |
| 7 | 18 |
| 8 | 35 |
| 9 | 62 |
| 10 | 103 |
| 11 | 161 |
| 12 | 241 |
| 13 | 348 |
| 14 | 487 |
| 15 | 664 |
| 16 | 886 |
| 17 | 1159 |
| 18 | 1491 |
| 19 | 1890 |
| 20 | 2364 |
| 21 | 2922 |
| 22 | 3574 |
| 23 | 4329 |
| 24 | 5198 |
| 25 | 6192 |
| 26 | 7322 |
| 27 | 8600 |
| 28 | 10039 |
| 29 | 11651 |
| 30 | 13450 |
| 31 | 15450 |
| 32 | 17665 |
| 33 | 20110 |
| 34 | 22801 |
| 35 | 25753 |
| 36 | 28983 |
| 37 | 32508 |
| 38 | 36345 |
| 39 | 40512 |
| 40 | 45028 |
| 41 | 49911 |
| 42 | 55181 |
| 43 | 60858 |
| 44 | 66962 |
| 45 | 73514 |
| 46 | 80536 |