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 | 11 |
| 2 | 31 |
| 3 | 41 |
| 4 | 61 |
| 5 | 101 |
| 6 | 151 |
| 7 | 181 |
| 8 | 241 |
| 9 | 251 |
| 10 | 271 |
| 11 | 401 |
| 12 | 541 |
| 13 | 601 |
| 14 | 641 |
| 15 | 751 |
| 16 | 811 |
| 17 | 1201 |
| 18 | 1601 |
| 19 | 1621 |
| 20 | 1801 |
| 21 | 2161 |
| 22 | 2251 |
| 23 | 3001 |
| 24 | 4001 |
| 25 | 4051 |
| 26 | 4801 |
| 27 | 4861 |
| 28 | 6481 |
| 29 | 7681 |
| 30 | 8101 |
| 31 | 8641 |
| 32 | 9001 |
| 33 | 9601 |
| 34 | 9721 |
| 35 | 11251 |
| 36 | 14401 |
| 37 | 15361 |
| 38 | 16001 |
| 39 | 19441 |
| 40 | 21601 |
| 41 | 21871 |
| 42 | 22501 |
| 43 | 23041 |
| 44 | 24001 |