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 | 0 |
| 2 | 10 |
| 3 | 19 |
| 4 | 59 |
| 5 | 69 |
| 6 | 79 |
| 7 | 89 |
| 8 | 10548 |
| 9 | 10677 |
| 10 | 10833 |
| 11 | 10911 |
| 12 | 147996 |
| 13 | 150296 |
| 14 | 1000689 |
| 15 | 1005744 |
| 16 | 1007601 |
| 17 | 7008899 |
| 18 | 9008299 |
| 19 | 100239862 |
| 20 | 140669390 |
| 21 | 1005499526 |
| 22 | 10000442119 |
| 23 | 10000761554 |
| 24 | 10000853648 |
| 25 | 10000973037 |
| 26 | 10031199494 |
| 27 | 10087799570 |
| 28 | 1000006412206 |
| 29 | 1090604591930 |
| 30 | 1600005969190 |
| 31 | 100000090745299 |
| 32 | 100120849299260 |
| 33 | 10000043099946481 |
| 34 | 10078083499399210 |
| 35 | 10442000392399960 |