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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 12 |
| 7 | 18 |
| 8 | 24 |
| 9 | 31 |
| 10 | 62 |
| 11 | 93 |
| 12 | 124 |
| 13 | 156 |
| 14 | 312 |
| 15 | 468 |
| 16 | 624 |
| 17 | 781 |
| 18 | 1562 |
| 19 | 2343 |
| 20 | 3124 |
| 21 | 3906 |
| 22 | 7812 |
| 23 | 11718 |
| 24 | 15624 |
| 25 | 19531 |
| 26 | 39062 |
| 27 | 58593 |
| 28 | 78124 |
| 29 | 97656 |
| 30 | 195312 |
| 31 | 292968 |
| 32 | 390624 |
| 33 | 488281 |
| 34 | 976562 |
| 35 | 1464843 |
| 36 | 1953124 |
| 37 | 2441406 |
| 38 | 4882812 |
| 39 | 7324218 |
| 40 | 9765624 |