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 | 9 |
| 2 | 18 |
| 3 | 36 |
| 4 | 72 |
| 5 | 121 |
| 6 | 144 |
| 7 | 242 |
| 8 | 288 |
| 9 | 484 |
| 10 | 576 |
| 11 | 968 |
| 12 | 1152 |
| 13 | 1936 |
| 14 | 2304 |
| 15 | 3872 |
| 16 | 4608 |
| 17 | 7744 |
| 18 | 9216 |
| 19 | 15488 |
| 20 | 18432 |
| 21 | 30976 |
| 22 | 36481 |
| 23 | 36864 |
| 24 | 61952 |
| 25 | 72361 |
| 26 | 72962 |
| 27 | 73728 |
| 28 | 123904 |
| 29 | 144722 |
| 30 | 145924 |
| 31 | 146689 |
| 32 | 147456 |
| 33 | 247808 |
| 34 | 259081 |
| 35 | 289444 |
| 36 | 291848 |
| 37 | 293378 |
| 38 | 294912 |