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 | 13 |
| 2 | 73 |
| 3 | 109 |
| 4 | 409 |
| 5 | 1033 |
| 6 | 1453 |
| 7 | 1609 |
| 8 | 2713 |
| 9 | 3373 |
| 10 | 3853 |
| 11 | 4909 |
| 12 | 6733 |
| 13 | 7753 |
| 14 | 9613 |
| 15 | 10009 |
| 16 | 12109 |
| 17 | 12553 |
| 18 | 13933 |
| 19 | 19609 |
| 20 | 20173 |
| 21 | 25609 |
| 22 | 28909 |
| 23 | 35353 |
| 24 | 36109 |
| 25 | 40009 |
| 26 | 40813 |
| 27 | 44953 |
| 28 | 47533 |
| 29 | 48409 |
| 30 | 58573 |
| 31 | 88813 |
| 32 | 94873 |
| 33 | 102409 |
| 34 | 110233 |
| 35 | 122509 |
| 36 | 128173 |
| 37 | 135433 |