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 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 1 |
| 8 | 1 |
| 9 | 3 |
| 10 | 9 |
| 11 | 1 |
| 12 | 1 |
| 13 | 7 |
| 14 | 13 |
| 15 | 35 |
| 16 | 1 |
| 17 | 1 |
| 18 | 21 |
| 19 | 121 |
| 20 | 75 |
| 21 | 161 |
| 22 | 1 |
| 23 | 1 |
| 24 | 71 |
| 25 | 1849 |
| 26 | 3907 |
| 27 | 541 |
| 28 | 913 |
| 29 | 1 |
| 30 | 1 |
| 31 | 253 |
| 32 | 35641 |
| 33 | 426405 |
| 34 | 202741 |
| 35 | 4683 |
| 36 | 6103 |
| 37 | 1 |
| 38 | 1 |
| 39 | 925 |
| 40 | 762763 |
| 41 | 65782211 |
| 42 | 203374081 |
| 43 | 15430207 |
| 44 | 47293 |
| 45 | 47319 |
| 46 | 1 |
| 47 | 1 |
| 48 | 3433 |
| 49 | 17190265 |
| 50 | 11872636325 |
| 51 | 323213457781 |
| 52 | 173959321557 |