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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 6 |
| 12 | 4 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 24 |
| 17 | 36 |
| 18 | 8 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 120 |
| 23 | 576 |
| 24 | 216 |
| 25 | 16 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 720 |
| 30 | 14400 |
| 31 | 13824 |
| 32 | 1296 |
| 33 | 32 |
| 34 | 1 |
| 35 | 1 |
| 36 | 1 |
| 37 | 5040 |
| 38 | 518400 |
| 39 | 1728000 |
| 40 | 331776 |
| 41 | 7776 |
| 42 | 64 |
| 43 | 1 |
| 44 | 1 |
| 45 | 1 |
| 46 | 40320 |
| 47 | 25401600 |
| 48 | 373248000 |
| 49 | 207360000 |
| 50 | 7962624 |
| 51 | 46656 |
| 52 | 128 |
| 53 | 1 |
| 54 | 1 |