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 | 3 |
| 1 | 4 |
| 2 | 11 |
| 3 | 30 |
| 4 | 67 |
| 5 | 128 |
| 6 | 219 |
| 7 | 346 |
| 8 | 515 |
| 9 | 732 |
| 10 | 1003 |
| 11 | 1334 |
| 12 | 1731 |
| 13 | 2200 |
| 14 | 2747 |
| 15 | 3378 |
| 16 | 4099 |
| 17 | 4916 |
| 18 | 5835 |
| 19 | 6862 |
| 20 | 8003 |
| 21 | 9264 |
| 22 | 10651 |
| 23 | 12170 |
| 24 | 13827 |
| 25 | 15628 |
| 26 | 17579 |
| 27 | 19686 |
| 28 | 21955 |
| 29 | 24392 |
| 30 | 27003 |
| 31 | 29794 |
| 32 | 32771 |
| 33 | 35940 |
| 34 | 39307 |
| 35 | 42878 |
| 36 | 46659 |
| 37 | 50656 |
| 38 | 54875 |
| 39 | 59322 |
| 40 | 64003 |