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 | 10 |
| 2 | 19 |
| 3 | 29 |
| 4 | 49 |
| 5 | 69 |
| 6 | 109 |
| 7 | 129 |
| 8 | 169 |
| 9 | 189 |
| 10 | 359 |
| 11 | 429 |
| 12 | 579 |
| 13 | 599 |
| 14 | 619 |
| 15 | 809 |
| 16 | 869 |
| 17 | 979 |
| 18 | 999 |
| 19 | 1059 |
| 20 | 1099 |
| 21 | 1119 |
| 22 | 1149 |
| 23 | 1209 |
| 24 | 1269 |
| 25 | 1459 |
| 26 | 1499 |
| 27 | 1609 |
| 28 | 1649 |
| 29 | 1759 |
| 30 | 1779 |
| 31 | 1839 |
| 32 | 1879 |
| 33 | 1899 |
| 34 | 1909 |
| 35 | 1929 |
| 36 | 1989 |
| 37 | 2049 |
| 38 | 2099 |
| 39 | 2219 |
| 40 | 2389 |
| 41 | 2449 |
| 42 | 2659 |
| 43 | 2689 |
| 44 | 2769 |
| 45 | 2809 |
| 46 | 2859 |