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 | 209 |
| 2 | 451 |
| 3 | 611 |
| 4 | 713 |
| 5 | 949 |
| 6 | 1003 |
| 7 | 1073 |
| 8 | 1177 |
| 9 | 1661 |
| 10 | 1903 |
| 11 | 1957 |
| 12 | 1963 |
| 13 | 2159 |
| 14 | 2629 |
| 15 | 2977 |
| 16 | 3113 |
| 17 | 3131 |
| 18 | 3233 |
| 19 | 3401 |
| 20 | 3653 |
| 21 | 3839 |
| 22 | 3893 |
| 23 | 3953 |
| 24 | 3991 |
| 25 | 4471 |
| 26 | 4667 |
| 27 | 5053 |
| 28 | 5371 |
| 29 | 5533 |
| 30 | 5567 |
| 31 | 5609 |
| 32 | 5627 |
| 33 | 5891 |
| 34 | 6017 |
| 35 | 6019 |
| 36 | 6119 |
| 37 | 6259 |
| 38 | 6289 |
| 39 | 6743 |
| 40 | 7003 |
| 41 | 7033 |
| 42 | 7061 |
| 43 | 7141 |