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 | 61 |
| 2 | 2371 |
| 3 | 5431 |
| 4 | 11821 |
| 5 | 21481 |
| 6 | 37561 |
| 7 | 50581 |
| 8 | 69991 |
| 9 | 124291 |
| 10 | 126481 |
| 11 | 139291 |
| 12 | 223831 |
| 13 | 230761 |
| 14 | 268771 |
| 15 | 272341 |
| 16 | 275911 |
| 17 | 305401 |
| 18 | 363361 |
| 19 | 365461 |
| 20 | 388471 |
| 21 | 498391 |
| 22 | 516151 |
| 23 | 556261 |
| 24 | 561091 |
| 25 | 585031 |
| 26 | 752281 |
| 27 | 776551 |
| 28 | 783781 |
| 29 | 812341 |
| 30 | 832621 |
| 31 | 911161 |
| 32 | 942031 |
| 33 | 950221 |
| 34 | 1030021 |
| 35 | 1108561 |