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 | 10 |
| 2 | 102 |
| 3 | 1036 |
| 4 | 10502 |
| 5 | 106380 |
| 6 | 1077276 |
| 7 | 10908096 |
| 8 | 110447046 |
| 9 | 1118286172 |
| 10 | 11322685172 |
| 11 | 114642332232 |
| 12 | 1160754172316 |
| 13 | 11752638152824 |
| 14 | 118995469654968 |
| 15 | 1204829162684136 |
| 16 | 12198895398209862 |
| 17 | 123513816397462524 |
| 18 | 1250577392936568708 |
| 19 | 12662096110945862856 |
| 20 | 128203723152486704052 |