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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 9 |
| 5 | 17 |
| 6 | 18 |
| 7 | 20 |
| 8 | 24 |
| 9 | 29 |
| 10 | 36 |
| 11 | 48 |
| 12 | 114 |
| 13 | 126 |
| 14 | 135 |
| 15 | 153 |
| 16 | 170 |
| 17 | 241 |
| 18 | 363 |
| 19 | 483 |
| 20 | 579 |
| 21 | 681 |
| 22 | 948 |
| 23 | 2483 |
| 24 | 2798 |
| 25 | 3081 |
| 26 | 5137 |
| 27 | 5640 |
| 28 | 6890 |
| 29 | 7080 |
| 30 | 12600 |
| 31 | 16929 |
| 32 | 24253 |
| 33 | 24793 |
| 34 | 35546 |
| 35 | 52956 |
| 36 | 69645 |
| 37 | 133831 |
| 38 | 206688 |