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 | 3 |
| 2 | 4 |
| 3 | 7 |
| 4 | 9 |
| 5 | 17 |
| 6 | 40 |
| 7 | 41 |
| 8 | 74 |
| 9 | 151 |
| 10 | 307 |
| 11 | 312 |
| 12 | 408 |
| 13 | 424 |
| 14 | 912 |
| 15 | 1032 |
| 16 | 1217 |
| 17 | 1872 |
| 18 | 2518 |
| 19 | 3713 |
| 20 | 4920 |
| 21 | 5208 |
| 22 | 8400 |
| 23 | 8520 |
| 24 | 8892 |
| 25 | 9297 |
| 26 | 12840 |
| 27 | 16008 |
| 28 | 21840 |
| 29 | 24360 |
| 30 | 35880 |
| 31 | 38808 |
| 32 | 80760 |
| 33 | 102168 |
| 34 | 129480 |
| 35 | 167160 |
| 36 | 183960 |
| 37 | 201072 |
| 38 | 258720 |
| 39 | 290760 |
| 40 | 301242 |
| 41 | 358848 |
| 42 | 375468 |
| 43 | 415920 |