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 | 41 |
| 2 | 2141 |
| 3 | 2251 |
| 4 | 3251 |
| 5 | 3361 |
| 6 | 3581 |
| 7 | 3691 |
| 8 | 4253 |
| 9 | 4363 |
| 10 | 4583 |
| 11 | 5693 |
| 12 | 8147 |
| 13 | 9257 |
| 14 | 9587 |
| 15 | 9697 |
| 16 | 46301 |
| 17 | 46601 |
| 18 | 46901 |
| 19 | 47111 |
| 20 | 47711 |
| 21 | 47911 |
| 22 | 48121 |
| 23 | 48221 |
| 24 | 48821 |
| 25 | 49031 |
| 26 | 49331 |
| 27 | 49531 |
| 28 | 49831 |
| 29 | 66103 |
| 30 | 66403 |
| 31 | 67213 |
| 32 | 68023 |
| 33 | 69233 |
| 34 | 69833 |
| 35 | 400051 |
| 36 | 409951 |
| 37 | 414461 |