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 | 1 |
| 2 | 16 |
| 3 | 106110601 |
| 4 | 110166016 |
| 5 | 116661601 |
| 6 | 6661661161 |
| 7 | 1006011006001 |
| 8 | 1016066016001 |
| 9 | 10006001100060001 |
| 10 | 10016006600160001 |
| 11 | 106601106600066001 |
| 12 | 100006000110000600001 |
| 13 | 100016000660001600001 |
| 14 | 610001061061016601601 |
| 15 | 1601016161610101600016 |
| 16 | 1000006000011000006000001 |