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 | 2 |
| 4 | 1 |
| 5 | 6 |
| 6 | 15 |
| 7 | 1 |
| 8 | 14 |
| 9 | 48 |
| 10 | 184 |
| 11 | 1 |
| 12 | 30 |
| 13 | 165 |
| 14 | 680 |
| 15 | 2945 |
| 16 | 1 |
| 17 | 62 |
| 18 | 558 |
| 19 | 2664 |
| 20 | 13080 |
| 21 | 63756 |
| 22 | 1 |
| 23 | 126 |
| 24 | 1827 |
| 25 | 11032 |
| 26 | 59605 |
| 27 | 320292 |
| 28 | 1748803 |
| 29 | 1 |
| 30 | 254 |
| 31 | 5820 |
| 32 | 46904 |
| 33 | 281440 |
| 34 | 1663248 |
| 35 | 9791824 |
| 36 | 58746304 |
| 37 | 1 |
| 38 | 510 |
| 39 | 18177 |
| 40 | 200232 |
| 41 | 1379745 |
| 42 | 8906544 |
| 43 | 56499849 |
| 44 | 361679040 |
| 45 | 2361347073 |