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 | 2 |
| 2 | 5 |
| 3 | 13 |
| 4 | 101 |
| 5 | 293 |
| 6 | 421 |
| 7 | 541 |
| 8 | 661 |
| 9 | 821 |
| 10 | 1021 |
| 11 | 1301 |
| 12 | 1493 |
| 13 | 2621 |
| 14 | 3221 |
| 15 | 3373 |
| 16 | 3853 |
| 17 | 5693 |
| 18 | 5981 |
| 19 | 6133 |
| 20 | 6421 |
| 21 | 6733 |
| 22 | 7853 |
| 23 | 8861 |
| 24 | 8941 |
| 25 | 9173 |
| 26 | 9221 |
| 27 | 9341 |
| 28 | 9901 |
| 29 | 10061 |
| 30 | 10093 |
| 31 | 10181 |
| 32 | 10613 |
| 33 | 15373 |
| 34 | 16061 |
| 35 | 16333 |
| 36 | 16381 |
| 37 | 16421 |
| 38 | 17093 |
| 39 | 18061 |
| 40 | 18493 |
| 41 | 19141 |