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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 1 |
| 7 | 5 |
| 8 | 7 |
| 9 | 1 |
| 10 | 1 |
| 11 | 15 |
| 12 | 87 |
| 13 | 34 |
| 14 | 1 |
| 15 | 1 |
| 16 | 52 |
| 17 | 1657 |
| 18 | 2971 |
| 19 | 209 |
| 20 | 1 |
| 21 | 1 |
| 22 | 203 |
| 23 | 43833 |
| 24 | 513559 |
| 25 | 163121 |
| 26 | 1546 |
| 27 | 1 |
| 28 | 1 |
| 29 | 877 |
| 30 | 1515903 |
| 31 | 149670844 |
| 32 | 326922081 |
| 33 | 12962661 |
| 34 | 13327 |
| 35 | 1 |
| 36 | 1 |
| 37 | 4140 |
| 38 | 65766991 |
| 39 | 66653198353 |
| 40 | 1346634725665 |
| 41 | 363303011071 |
| 42 | 1395857215 |
| 43 | 130922 |
| 44 | 1 |
| 45 | 1 |