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 | 37 |
| 3 | 157 |
| 4 | 541 |
| 5 | 877 |
| 6 | 1201 |
| 7 | 1381 |
| 8 | 1621 |
| 9 | 2017 |
| 10 | 2557 |
| 11 | 2857 |
| 12 | 3061 |
| 13 | 4357 |
| 14 | 4441 |
| 15 | 5077 |
| 16 | 5581 |
| 17 | 5701 |
| 18 | 6337 |
| 19 | 6637 |
| 20 | 6661 |
| 21 | 6997 |
| 22 | 7417 |
| 23 | 8221 |
| 24 | 9181 |
| 25 | 9661 |
| 26 | 9901 |
| 27 | 10837 |
| 28 | 11497 |
| 29 | 12457 |
| 30 | 12601 |
| 31 | 12721 |
| 32 | 12757 |
| 33 | 13681 |
| 34 | 14437 |
| 35 | 15241 |
| 36 | 16921 |
| 37 | 17077 |
| 38 | 18217 |