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 | 4 |
| 2 | 1 |
| 3 | 16 |
| 4 | 5 |
| 5 | 1 |
| 6 | 64 |
| 7 | 40 |
| 8 | 6 |
| 9 | 1 |
| 10 | 256 |
| 11 | 320 |
| 12 | 72 |
| 13 | 7 |
| 14 | 1 |
| 15 | 1024 |
| 16 | 2560 |
| 17 | 864 |
| 18 | 112 |
| 19 | 8 |
| 20 | 1 |
| 21 | 4096 |
| 22 | 20480 |
| 23 | 10368 |
| 24 | 1792 |
| 25 | 160 |
| 26 | 9 |
| 27 | 1 |
| 28 | 16384 |
| 29 | 163840 |
| 30 | 124416 |
| 31 | 28672 |
| 32 | 3200 |
| 33 | 216 |
| 34 | 10 |
| 35 | 1 |
| 36 | 65536 |
| 37 | 1310720 |
| 38 | 1492992 |
| 39 | 458752 |
| 40 | 64000 |