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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 11 |
| 7 | 15 |
| 8 | 45 |
| 9 | 19 |
| 10 | 51 |
| 11 | 62 |
| 12 | 195 |
| 13 | 113 |
| 14 | 188 |
| 15 | 345 |
| 16 | 873 |
| 17 | 645 |
| 18 | 731 |
| 19 | 1890 |
| 20 | 911 |
| 21 | 3989 |
| 22 | 207 |
| 23 | 2405 |
| 24 | 3585 |
| 25 | 2950 |
| 26 | 10221 |
| 27 | 6525 |
| 28 | 18483 |
| 29 | 1709 |
| 30 | 15775 |
| 31 | 19569 |
| 32 | 12235 |
| 33 | 54718 |
| 34 | 43545 |
| 35 | 86515 |
| 36 | 12405 |
| 37 | 99215 |
| 38 | 9332 |
| 39 | 105447 |
| 40 | 51822 |
| 41 | 55885 |
| 42 | 290611 |
| 43 | 17753 |
| 44 | 120075 |
| 45 | 277203 |
| 46 | 408105 |
| 47 | 83505 |
| 48 | 605135 |
| 49 | 80565 |
| 50 | 562739 |
| 51 | 223191 |
| 52 | 432975 |
| 53 | 1533670 |