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 | 1 |
| 2 | 18 |
| 3 | 28 |
| 4 | 324 |
| 5 | 48 |
| 6 | 504 |
| 7 | 68 |
| 8 | 5832 |
| 9 | 784 |
| 10 | 864 |
| 11 | 108 |
| 12 | 9072 |
| 13 | 128 |
| 14 | 1224 |
| 15 | 1344 |
| 16 | 104976 |
| 17 | 168 |
| 18 | 14112 |
| 19 | 188 |
| 20 | 15552 |
| 21 | 1904 |
| 22 | 1944 |
| 23 | 228 |
| 24 | 163296 |
| 25 | 2304 |
| 26 | 2304 |
| 27 | 21952 |
| 28 | 22032 |
| 29 | 288 |
| 30 | 24192 |
| 31 | 308 |
| 32 | 1889568 |
| 33 | 3024 |
| 34 | 3024 |
| 35 | 3264 |
| 36 | 254016 |
| 37 | 368 |
| 38 | 3384 |
| 39 | 3584 |
| 40 | 279936 |
| 41 | 408 |
| 42 | 34272 |
| 43 | 428 |