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 | 1117 |
| 2 | 1151 |
| 3 | 1171 |
| 4 | 1181 |
| 5 | 1511 |
| 6 | 1777 |
| 7 | 1811 |
| 8 | 1999 |
| 9 | 2111 |
| 10 | 2221 |
| 11 | 2333 |
| 12 | 2777 |
| 13 | 2999 |
| 14 | 3313 |
| 15 | 3323 |
| 16 | 3331 |
| 17 | 3343 |
| 18 | 3373 |
| 19 | 3433 |
| 20 | 3533 |
| 21 | 3733 |
| 22 | 3833 |
| 23 | 4111 |
| 24 | 4441 |
| 25 | 4447 |
| 26 | 4999 |
| 27 | 5333 |
| 28 | 5557 |
| 29 | 6661 |
| 30 | 7177 |
| 31 | 7333 |
| 32 | 7477 |
| 33 | 7577 |
| 34 | 7717 |
| 35 | 7727 |
| 36 | 7757 |
| 37 | 7877 |
| 38 | 8111 |
| 39 | 8887 |
| 40 | 8999 |
| 41 | 9199 |
| 42 | 9929 |