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 | 3 |
| 4 | 3 |
| 5 | 1 |
| 6 | 13 |
| 7 | 13 |
| 8 | 6 |
| 9 | 1 |
| 10 | 75 |
| 11 | 75 |
| 12 | 37 |
| 13 | 10 |
| 14 | 1 |
| 15 | 541 |
| 16 | 541 |
| 17 | 270 |
| 18 | 85 |
| 19 | 15 |
| 20 | 1 |
| 21 | 4683 |
| 22 | 4683 |
| 23 | 2341 |
| 24 | 770 |
| 25 | 170 |
| 26 | 21 |
| 27 | 1 |
| 28 | 47293 |
| 29 | 47293 |
| 30 | 23646 |
| 31 | 7861 |
| 32 | 1890 |
| 33 | 308 |
| 34 | 28 |
| 35 | 1 |
| 36 | 545835 |
| 37 | 545835 |
| 38 | 272917 |
| 39 | 90930 |
| 40 | 22491 |
| 41 | 4158 |
| 42 | 518 |
| 43 | 36 |
| 44 | 1 |
| 45 | 7087261 |
| 46 | 7087261 |
| 47 | 3543630 |
| 48 | 1181125 |
| 49 | 294525 |
| 50 | 57351 |
| 51 | 8400 |
| 52 | 822 |
| 53 | 45 |
| 54 | 1 |