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 | 22 |
| 5 | 1 |
| 6 | 1 |
| 7 | 145 |
| 8 | 145 |
| 9 | 1 |
| 10 | 1 |
| 11 | 780 |
| 12 | 2246 |
| 13 | 780 |
| 14 | 1 |
| 15 | 1 |
| 16 | 3919 |
| 17 | 25144 |
| 18 | 25144 |
| 19 | 3919 |
| 20 | 1 |
| 21 | 1 |
| 22 | 19202 |
| 23 | 243047 |
| 24 | 524812 |
| 25 | 243047 |
| 26 | 19202 |
| 27 | 1 |
| 28 | 1 |
| 29 | 93349 |
| 30 | 2168107 |
| 31 | 8760511 |
| 32 | 8760511 |
| 33 | 2168107 |
| 34 | 93349 |
| 35 | 1 |
| 36 | 1 |
| 37 | 453592 |
| 38 | 18445564 |
| 39 | 127880680 |
| 40 | 235517062 |
| 41 | 127880680 |
| 42 | 18445564 |
| 43 | 453592 |
| 44 | 1 |