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 | 181 |
| 2 | 271 |
| 3 | 541 |
| 4 | 631 |
| 5 | 811 |
| 6 | 991 |
| 7 | 1171 |
| 8 | 1531 |
| 9 | 1621 |
| 10 | 1801 |
| 11 | 2161 |
| 12 | 2251 |
| 13 | 2341 |
| 14 | 2521 |
| 15 | 2791 |
| 16 | 2971 |
| 17 | 3061 |
| 18 | 3331 |
| 19 | 3511 |
| 20 | 3691 |
| 21 | 4051 |
| 22 | 4231 |
| 23 | 4591 |
| 24 | 4861 |
| 25 | 4951 |
| 26 | 5581 |
| 27 | 5851 |
| 28 | 6121 |
| 29 | 6211 |
| 30 | 6301 |
| 31 | 6481 |
| 32 | 6571 |
| 33 | 6661 |
| 34 | 6841 |
| 35 | 7561 |
| 36 | 7741 |
| 37 | 8011 |
| 38 | 8101 |
| 39 | 8191 |
| 40 | 8461 |
| 41 | 8641 |
| 42 | 8731 |
| 43 | 8821 |
| 44 | 9001 |