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 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 15 |
| 8 | 16 |
| 9 | 21 |
| 10 | 22 |
| 11 | 23 |
| 12 | 72 |
| 13 | 105 |
| 14 | 112 |
| 15 | 117 |
| 16 | 118 |
| 17 | 119 |
| 18 | 336 |
| 19 | 615 |
| 20 | 672 |
| 21 | 705 |
| 22 | 712 |
| 23 | 717 |
| 24 | 718 |
| 25 | 719 |
| 26 | 1200 |
| 27 | 4095 |
| 28 | 4656 |
| 29 | 4935 |
| 30 | 4992 |
| 31 | 5025 |
| 32 | 5032 |
| 33 | 5037 |
| 34 | 5038 |
| 35 | 5039 |