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) |
|---|---|
| 2 | 1 |
| 3 | 3 |
| 4 | 9 |
| 5 | 22 |
| 6 | 45 |
| 7 | 81 |
| 8 | 43 |
| 9 | 24 |
| 10 | 288 |
| 11 | 118 |
| 12 | 138 |
| 13 | 585 |
| 14 | 184 |
| 15 | 918 |
| 16 | 288 |
| 17 | 232 |
| 18 | 294 |
| 19 | 351 |
| 20 | 559 |
| 21 | 2586 |
| 22 | 1179 |
| 23 | 3586 |
| 24 | 117 |
| 25 | 72 |
| 26 | 3913 |
| 27 | 2949 |
| 28 | 5949 |
| 29 | 1585 |
| 30 | 7239 |
| 31 | 8811 |
| 32 | 3595 |
| 33 | 3789 |
| 34 | 3537 |
| 35 | 5758 |
| 36 | 1968 |
| 37 | 18 |
| 38 | 6454 |
| 39 | 4152 |
| 40 | 4374 |
| 41 | 1687 |
| 42 | 549 |
| 43 | 7794 |
| 44 | 3922 |
| 45 | 8313 |
| 46 | 828 |
| 47 | 2674 |
| 48 | 4251 |
| 49 | 2646 |
| 50 | 5548 |
| 51 | 3636 |
| 52 | 3879 |
| 53 | 799 |