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 | 9 |
| 3 | 85 |
| 4 | 697 |
| 5 | 1285 |
| 6 | 2605 |
| 7 | 4573 |
| 8 | 5845 |
| 9 | 6001 |
| 10 | 6241 |
| 11 | 6613 |
| 12 | 7141 |
| 13 | 7453 |
| 14 | 8005 |
| 15 | 10897 |
| 16 | 12453 |
| 17 | 13141 |
| 18 | 15445 |
| 19 | 19789 |
| 20 | 20345 |
| 21 | 21445 |
| 22 | 21913 |
| 23 | 22873 |
| 24 | 25957 |
| 25 | 36565 |
| 26 | 36601 |
| 27 | 39597 |
| 28 | 44761 |
| 29 | 46405 |
| 30 | 53677 |
| 31 | 56137 |
| 32 | 56593 |
| 33 | 61013 |
| 34 | 63445 |
| 35 | 70094 |
| 36 | 72913 |
| 37 | 76977 |
| 38 | 80913 |
| 39 | 82405 |
| 40 | 87085 |
| 41 | 87601 |