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 | 3 |
| 2 | 1 |
| 3 | 13 |
| 4 | 6 |
| 5 | 1 |
| 6 | 81 |
| 7 | 39 |
| 8 | 9 |
| 9 | 1 |
| 10 | 673 |
| 11 | 324 |
| 12 | 78 |
| 13 | 12 |
| 14 | 1 |
| 15 | 6993 |
| 16 | 3365 |
| 17 | 810 |
| 18 | 130 |
| 19 | 15 |
| 20 | 1 |
| 21 | 87193 |
| 22 | 41958 |
| 23 | 10095 |
| 24 | 1620 |
| 25 | 195 |
| 26 | 18 |
| 27 | 1 |
| 28 | 1268361 |
| 29 | 610351 |
| 30 | 146853 |
| 31 | 23555 |
| 32 | 2835 |
| 33 | 273 |
| 34 | 21 |
| 35 | 1 |
| 36 | 21086113 |
| 37 | 10146888 |
| 38 | 2441404 |
| 39 | 391608 |
| 40 | 47110 |
| 41 | 4536 |
| 42 | 364 |
| 43 | 24 |
| 44 | 1 |