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 | 13 |
| 2 | 24 |
| 3 | 35 |
| 4 | 46 |
| 5 | 57 |
| 6 | 68 |
| 7 | 79 |
| 8 | 202 |
| 9 | 313 |
| 10 | 424 |
| 11 | 535 |
| 12 | 646 |
| 13 | 757 |
| 14 | 868 |
| 15 | 979 |
| 16 | 1091 |
| 17 | 2202 |
| 18 | 3313 |
| 19 | 4424 |
| 20 | 5535 |
| 21 | 6646 |
| 22 | 7757 |
| 23 | 8868 |
| 24 | 9979 |
| 25 | 11091 |
| 26 | 22202 |
| 27 | 33313 |
| 28 | 44424 |
| 29 | 55535 |
| 30 | 66646 |
| 31 | 77757 |
| 32 | 88868 |
| 33 | 99979 |
| 34 | 111091 |
| 35 | 222202 |
| 36 | 333313 |
| 37 | 444424 |
| 38 | 555535 |
| 39 | 666646 |
| 40 | 777757 |
| 41 | 888868 |
| 42 | 999979 |