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 | 2 |
| 3 | 1 |
| 4 | 2 |
| 5 | 15 |
| 6 | 1 |
| 7 | 49 |
| 8 | 15 |
| 9 | 54 |
| 10 | 205 |
| 11 | 176 |
| 12 | 1 |
| 13 | 403 |
| 14 | 441 |
| 15 | 450 |
| 16 | 2688 |
| 17 | 2533 |
| 18 | 216 |
| 19 | 13471 |
| 20 | 5240 |
| 21 | 798 |
| 22 | 14344 |
| 23 | 9108 |
| 24 | 1 |
| 25 | 3175 |
| 26 | 3315 |
| 27 | 3402 |
| 28 | 28518 |
| 29 | 504252 |
| 30 | 1800 |
| 31 | 2228621 |
| 32 | 473792 |
| 33 | 941952 |
| 34 | 2533 |
| 35 | 4485250 |
| 36 | 864 |
| 37 | 7065594 |
| 38 | 646 |
| 39 | 357084 |
| 40 | 132961360 |
| 41 | 200241868 |
| 42 | 3192 |
| 43 | 2825692 |
| 44 | 355342152 |