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 | 17 |
| 3 | 31 |
| 4 | 151 |
| 5 | 241 |
| 6 | 251 |
| 7 | 577 |
| 8 | 727 |
| 9 | 991 |
| 10 | 1429 |
| 11 | 1567 |
| 12 | 1597 |
| 13 | 1741 |
| 14 | 2243 |
| 15 | 2887 |
| 16 | 3001 |
| 17 | 3041 |
| 18 | 3571 |
| 19 | 3739 |
| 20 | 4003 |
| 21 | 4049 |
| 22 | 4129 |
| 23 | 4271 |
| 24 | 4513 |
| 25 | 4801 |
| 26 | 5407 |
| 27 | 6673 |
| 28 | 6733 |
| 29 | 6833 |
| 30 | 7873 |
| 31 | 8951 |
| 32 | 9539 |
| 33 | 9631 |
| 34 | 10487 |
| 35 | 10639 |
| 36 | 11789 |
| 37 | 12097 |
| 38 | 14627 |
| 39 | 14629 |
| 40 | 14947 |
| 41 | 16561 |
| 42 | 16927 |
| 43 | 18617 |
| 44 | 18749 |
| 45 | 18797 |
| 46 | 19081 |
| 47 | 19457 |
| 48 | 20551 |
| 49 | 21121 |