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 | 5 |
| 5 | 6 |
| 6 | 9 |
| 7 | 27 |
| 8 | 81 |
| 9 | 126 |
| 10 | 159 |
| 11 | 205 |
| 12 | 252 |
| 13 | 254 |
| 14 | 267 |
| 15 | 285 |
| 16 | 675 |
| 17 | 1053 |
| 18 | 1086 |
| 19 | 1125 |
| 20 | 1146 |
| 21 | 2007 |
| 22 | 5088 |
| 23 | 5382 |
| 24 | 5448 |
| 25 | 14652 |
| 26 | 23401 |
| 27 | 23574 |
| 28 | 24009 |
| 29 | 41004 |
| 30 | 66789 |
| 31 | 67482 |
| 32 | 111480 |
| 33 | 866538 |
| 34 | 1447875 |
| 35 | 2413152 |
| 36 | 2414019 |
| 37 | 2417828 |
| 38 | 2421360 |
| 39 | 4045482 |
| 40 | 6713982 |