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 | 102 |
| 2 | 103 |
| 3 | 10204 |
| 4 | 10307 |
| 5 | 1020411 |
| 6 | 1030718 |
| 7 | 102041129 |
| 8 | 103071847 |
| 9 | 10204112976 |
| 10 | 10307184823 |
| 11 | 1020411297799 |
| 12 | 1030718482622 |
| 13 | 102041129780421 |
| 14 | 103071848263043 |
| 15 | 10204112978043464 |
| 16 | 10307184826306507 |
| 17 | 1020411297804349971 |
| 18 | 1030718482630656478 |
| 19 | 102041129780435006449 |