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 | 43 |
| 2 | 47 |
| 3 | 419 |
| 4 | 431 |
| 5 | 443 |
| 6 | 461 |
| 7 | 467 |
| 8 | 479 |
| 9 | 4127 |
| 10 | 4139 |
| 11 | 4157 |
| 12 | 4211 |
| 13 | 4229 |
| 14 | 4241 |
| 15 | 4271 |
| 16 | 4283 |
| 17 | 4337 |
| 18 | 4349 |
| 19 | 4373 |
| 20 | 4397 |
| 21 | 4409 |
| 22 | 4421 |
| 23 | 4457 |
| 24 | 4463 |
| 25 | 4523 |
| 26 | 4547 |
| 27 | 4643 |
| 28 | 4673 |
| 29 | 4691 |
| 30 | 4733 |
| 31 | 4751 |
| 32 | 4787 |
| 33 | 4877 |
| 34 | 4919 |
| 35 | 4937 |
| 36 | 4967 |
| 37 | 41039 |
| 38 | 41051 |
| 39 | 41117 |
| 40 | 41201 |
| 41 | 41213 |
| 42 | 41231 |
| 43 | 41381 |
| 44 | 41399 |