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 | 19 |
| 2 | 31 |
| 3 | 37 |
| 4 | 67 |
| 5 | 109 |
| 6 | 151 |
| 7 | 211 |
| 8 | 241 |
| 9 | 277 |
| 10 | 367 |
| 11 | 439 |
| 12 | 457 |
| 13 | 619 |
| 14 | 691 |
| 15 | 727 |
| 16 | 787 |
| 17 | 859 |
| 18 | 967 |
| 19 | 1087 |
| 20 | 1171 |
| 21 | 1471 |
| 22 | 1489 |
| 23 | 1531 |
| 24 | 1579 |
| 25 | 1951 |
| 26 | 2131 |
| 27 | 2287 |
| 28 | 2791 |
| 29 | 2851 |
| 30 | 2971 |
| 31 | 3061 |
| 32 | 3319 |
| 33 | 3511 |
| 34 | 3547 |
| 35 | 3559 |
| 36 | 3739 |
| 37 | 4129 |
| 38 | 4357 |
| 39 | 4447 |
| 40 | 4507 |
| 41 | 4591 |
| 42 | 4651 |
| 43 | 4789 |
| 44 | 4801 |
| 45 | 4831 |
| 46 | 4951 |