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 | 5 |
| 4 | 6 |
| 5 | 8 |
| 6 | 12 |
| 7 | 18 |
| 8 | 30 |
| 9 | 36 |
| 10 | 41 |
| 11 | 66 |
| 12 | 189 |
| 13 | 201 |
| 14 | 209 |
| 15 | 276 |
| 16 | 353 |
| 17 | 408 |
| 18 | 438 |
| 19 | 534 |
| 20 | 2208 |
| 21 | 2816 |
| 22 | 3168 |
| 23 | 3189 |
| 24 | 3912 |
| 25 | 20909 |
| 26 | 34350 |
| 27 | 42294 |
| 28 | 42665 |
| 29 | 44685 |
| 30 | 48150 |
| 31 | 54792 |
| 32 | 55182 |
| 33 | 59973 |
| 34 | 80190 |
| 35 | 157169 |
| 36 | 213321 |
| 37 | 303093 |
| 38 | 362765 |
| 39 | 382449 |
| 40 | 709968 |
| 41 | 801978 |
| 42 | 916773 |
| 43 | 1832496 |
| 44 | 2145353 |