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 | 3 |
| 2 | 503 |
| 3 | 1163 |
| 4 | 1249 |
| 5 | 2297 |
| 6 | 3461 |
| 7 | 5051 |
| 8 | 6563 |
| 9 | 9001 |
| 10 | 9649 |
| 11 | 9689 |
| 12 | 11197 |
| 13 | 16843 |
| 14 | 20233 |
| 15 | 22279 |
| 16 | 25237 |
| 17 | 26681 |
| 18 | 27329 |
| 19 | 28607 |
| 20 | 28669 |
| 21 | 29131 |
| 22 | 36791 |
| 23 | 41507 |
| 24 | 49741 |
| 25 | 55807 |
| 26 | 57697 |
| 27 | 59021 |
| 28 | 61493 |
| 29 | 62731 |
| 30 | 64453 |
| 31 | 64879 |
| 32 | 65129 |
| 33 | 68371 |
| 34 | 69493 |
| 35 | 70619 |
| 36 | 70969 |
| 37 | 71161 |
| 38 | 77893 |
| 39 | 79063 |
| 40 | 79531 |
| 41 | 79801 |