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 | 4 |
| 5 | 1 |
| 6 | 1 |
| 7 | 9 |
| 8 | 15 |
| 9 | 1 |
| 10 | 1 |
| 11 | 16 |
| 12 | 65 |
| 13 | 64 |
| 14 | 1 |
| 15 | 1 |
| 16 | 25 |
| 17 | 175 |
| 18 | 511 |
| 19 | 325 |
| 20 | 1 |
| 21 | 1 |
| 22 | 36 |
| 23 | 369 |
| 24 | 2020 |
| 25 | 4743 |
| 26 | 1956 |
| 27 | 1 |
| 28 | 1 |
| 29 | 49 |
| 30 | 671 |
| 31 | 5629 |
| 32 | 27313 |
| 33 | 52525 |
| 34 | 13699 |
| 35 | 1 |
| 36 | 1 |
| 37 | 64 |
| 38 | 1105 |
| 39 | 12736 |
| 40 | 100045 |
| 41 | 440896 |
| 42 | 683657 |
| 43 | 109600 |
| 44 | 1 |
| 45 | 1 |
| 46 | 81 |
| 47 | 1695 |
| 48 | 25099 |
| 49 | 280581 |
| 50 | 2122449 |
| 51 | 8390875 |
| 52 | 10256775 |