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 | 2 |
| 2 | 1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 6 |
| 6 | 22 |
| 7 | 21 |
| 8 | 13 |
| 9 | 1 |
| 10 | 1 |
| 11 | 45 |
| 12 | 84 |
| 13 | 104 |
| 14 | 105 |
| 15 | 631 |
| 16 | 630 |
| 17 | 562 |
| 18 | 412 |
| 19 | 211 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1263 |
| 23 | 2500 |
| 24 | 3558 |
| 25 | 4285 |
| 26 | 4602 |
| 27 | 4603 |
| 28 | 39469 |
| 29 | 39468 |
| 30 | 37573 |
| 31 | 33180 |
| 32 | 26560 |
| 33 | 18305 |
| 34 | 9207 |
| 35 | 1 |
| 36 | 1 |
| 37 | 78939 |
| 38 | 157243 |
| 39 | 230496 |
| 40 | 293794 |
| 41 | 342944 |
| 42 | 375058 |
| 43 | 388869 |
| 44 | 388870 |
| 45 | 4327322 |