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 | 9 |
| 2 | 42 |
| 3 | 101 |
| 4 | 339 |
| 5 | 407 |
| 6 | 420 |
| 7 | 471 |
| 8 | 915 |
| 9 | 1409 |
| 10 | 2572 |
| 11 | 2847 |
| 12 | 3706 |
| 13 | 4069 |
| 14 | 6631 |
| 15 | 6720 |
| 16 | 7229 |
| 17 | 9212 |
| 18 | 14051 |
| 19 | 16641 |
| 20 | 31453 |
| 21 | 33067 |
| 22 | 33146 |
| 23 | 35701 |
| 24 | 37425 |
| 25 | 37675 |
| 26 | 37911 |
| 27 | 48016 |
| 28 | 48272 |
| 29 | 53101 |
| 30 | 55956 |
| 31 | 56906 |
| 32 | 68895 |
| 33 | 73474 |
| 34 | 75023 |
| 35 | 83525 |
| 36 | 84676 |
| 37 | 86928 |
| 38 | 94525 |
| 39 | 101428 |
| 40 | 101743 |
| 41 | 115925 |