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 | 1 |
| 1 | 9 |
| 2 | 35 |
| 3 | 91 |
| 4 | 189 |
| 5 | 341 |
| 6 | 559 |
| 7 | 855 |
| 8 | 1241 |
| 9 | 1729 |
| 10 | 2331 |
| 11 | 3059 |
| 12 | 3925 |
| 13 | 4941 |
| 14 | 6119 |
| 15 | 7471 |
| 16 | 9009 |
| 17 | 10745 |
| 18 | 12691 |
| 19 | 14859 |
| 20 | 17261 |
| 21 | 19909 |
| 22 | 22815 |
| 23 | 25991 |
| 24 | 29449 |
| 25 | 33201 |
| 26 | 37259 |
| 27 | 41635 |
| 28 | 46341 |
| 29 | 51389 |
| 30 | 56791 |
| 31 | 62559 |
| 32 | 68705 |
| 33 | 75241 |
| 34 | 82179 |
| 35 | 89531 |
| 36 | 97309 |
| 37 | 105525 |
| 38 | 114191 |
| 39 | 123319 |
| 40 | 132921 |