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) |
|---|---|
| 2 | 11 |
| 3 | 101 |
| 4 | 1481 |
| 5 | 13001 |
| 6 | 101111 |
| 7 | 1002341 |
| 8 | 10013951 |
| 9 | 100005461 |
| 10 | 1000025261 |
| 11 | 10000057421 |
| 12 | 100000007531 |
| 13 | 1000000123691 |
| 14 | 10000000056581 |
| 15 | 100000000945721 |
| 16 | 1000000000067441 |
| 17 | 10000000001346491 |
| 18 | 100000000000325231 |