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 | 149 |
| 2 | 179 |
| 3 | 227 |
| 4 | 239 |
| 5 | 347 |
| 6 | 431 |
| 7 | 569 |
| 8 | 599 |
| 9 | 641 |
| 10 | 821 |
| 11 | 1019 |
| 12 | 1049 |
| 13 | 1061 |
| 14 | 1427 |
| 15 | 1487 |
| 16 | 1607 |
| 17 | 1787 |
| 18 | 1997 |
| 19 | 2081 |
| 20 | 2129 |
| 21 | 2237 |
| 22 | 2267 |
| 23 | 2657 |
| 24 | 2687 |
| 25 | 2711 |
| 26 | 2789 |
| 27 | 2999 |
| 28 | 3167 |
| 29 | 3257 |
| 30 | 3299 |
| 31 | 3359 |
| 32 | 3527 |
| 33 | 3539 |
| 34 | 3581 |
| 35 | 3671 |
| 36 | 3917 |
| 37 | 4091 |
| 38 | 4127 |
| 39 | 4229 |
| 40 | 4241 |
| 41 | 4337 |
| 42 | 4547 |
| 43 | 4637 |
| 44 | 4649 |