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 | 3 |
| 4 | 1 |
| 5 | 13 |
| 6 | 16 |
| 7 | 1 |
| 8 | 39 |
| 9 | 171 |
| 10 | 125 |
| 11 | 1 |
| 12 | 101 |
| 13 | 1091 |
| 14 | 2551 |
| 15 | 1296 |
| 16 | 1 |
| 17 | 243 |
| 18 | 5498 |
| 19 | 28838 |
| 20 | 43653 |
| 21 | 16807 |
| 22 | 1 |
| 23 | 561 |
| 24 | 24270 |
| 25 | 243790 |
| 26 | 780585 |
| 27 | 850809 |
| 28 | 262144 |
| 29 | 1 |
| 30 | 1263 |
| 31 | 98661 |
| 32 | 1733035 |
| 33 | 10073955 |
| 34 | 22278189 |
| 35 | 18689527 |
| 36 | 4782969 |
| 37 | 1 |
| 38 | 2797 |
| 39 | 379693 |
| 40 | 10996369 |
| 41 | 106215619 |
| 42 | 410994583 |
| 43 | 677785807 |
| 44 | 457947691 |
| 45 | 100000000 |