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 | 3 |
| 3 | 9 |
| 4 | 19 |
| 5 | 41 |
| 6 | 71 |
| 7 | 113 |
| 8 | 171 |
| 9 | 241 |
| 10 | 319 |
| 11 | 401 |
| 12 | 503 |
| 13 | 633 |
| 14 | 823 |
| 15 | 1033 |
| 16 | 1343 |
| 17 | 1673 |
| 18 | 2031 |
| 19 | 2413 |
| 20 | 2855 |
| 21 | 3317 |
| 22 | 3795 |
| 23 | 4357 |
| 24 | 5015 |
| 25 | 5757 |
| 26 | 6595 |
| 27 | 7457 |
| 28 | 8427 |
| 29 | 9465 |
| 30 | 10687 |
| 31 | 11969 |
| 32 | 13287 |
| 33 | 14905 |
| 34 | 16715 |
| 35 | 18585 |
| 36 | 20563 |
| 37 | 22601 |
| 38 | 24663 |
| 39 | 26761 |
| 40 | 29003 |
| 41 | 31401 |
| 42 | 33859 |
| 43 | 36437 |
| 44 | 39339 |
| 45 | 42277 |