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 | 10 |
| 2 | 21 |
| 3 | 73 |
| 4 | 145 |
| 5 | 426 |
| 6 | 533 |
| 7 | 652 |
| 8 | 1335 |
| 9 | 2669 |
| 10 | 2929 |
| 11 | 6513 |
| 12 | 6917 |
| 13 | 8401 |
| 14 | 8859 |
| 15 | 10012 |
| 16 | 25351 |
| 17 | 27281 |
| 18 | 27281 |
| 19 | 87054 |
| 20 | 113051 |
| 21 | 122851 |
| 22 | 122851 |
| 23 | 122851 |
| 24 | 122851 |
| 25 | 178569 |
| 26 | 178569 |
| 27 | 185506 |
| 28 | 185506 |
| 29 | 599206 |
| 30 | 599206 |
| 31 | 599206 |
| 32 | 1308163 |
| 33 | 1888133 |
| 34 | 1888133 |
| 35 | 1888133 |
| 36 | 1888133 |
| 37 | 1888133 |