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 | 15 |
| 3 | 31 |
| 4 | 101 |
| 5 | 139 |
| 6 | 227 |
| 7 | 91 |
| 8 | 503 |
| 9 | 995 |
| 10 | 451 |
| 11 | 751 |
| 12 | 539 |
| 13 | 1819 |
| 14 | 1397 |
| 15 | 2957 |
| 16 | 3461 |
| 17 | 1831 |
| 18 | 1417 |
| 19 | 6023 |
| 20 | 3769 |
| 21 | 1777 |
| 22 | 9587 |
| 23 | 5411 |
| 24 | 9421 |
| 25 | 18653 |
| 26 | 8089 |
| 27 | 4511 |
| 28 | 6541 |
| 29 | 10529 |
| 30 | 16051 |
| 31 | 19049 |
| 32 | 13163 |
| 33 | 3139 |
| 34 | 22937 |
| 35 | 23929 |
| 36 | 43363 |
| 37 | 24919 |
| 38 | 43571 |
| 39 | 97367 |
| 40 | 55571 |
| 41 | 14419 |
| 42 | 75209 |