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) |
|---|---|
| 0 | 1 |
| 1 | 100 |
| 2 | 10001 |
| 3 | 1000200 |
| 4 | 100030001 |
| 5 | 10004000300 |
| 6 | 1000500060001 |
| 7 | 100060010000400 |
| 8 | 10007001500100001 |
| 9 | 1000800210020000500 |
| 10 | 100090028003500150001 |
| 11 | 10010003600560035000600 |
| 12 | 1001100450084007000210001 |
| 13 | 100120055012001260056000700 |
| 14 | 10013006601650210012600280001 |
| 15 | 1001400780220033002520084000800 |