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 | 3 |
| 2 | 7 |
| 3 | 19 |
| 4 | 27 |
| 5 | 47 |
| 6 | 59 |
| 7 | 87 |
| 8 | 103 |
| 9 | 139 |
| 10 | 159 |
| 11 | 203 |
| 12 | 227 |
| 13 | 279 |
| 14 | 307 |
| 15 | 367 |
| 16 | 399 |
| 17 | 467 |
| 18 | 503 |
| 19 | 579 |
| 20 | 619 |
| 21 | 703 |
| 22 | 747 |
| 23 | 839 |
| 24 | 887 |
| 25 | 987 |
| 26 | 1039 |
| 27 | 1147 |
| 28 | 1203 |
| 29 | 1319 |
| 30 | 1379 |
| 31 | 1503 |
| 32 | 1567 |
| 33 | 1699 |
| 34 | 1767 |
| 35 | 1907 |
| 36 | 1979 |
| 37 | 2127 |
| 38 | 2203 |
| 39 | 2359 |
| 40 | 2439 |
| 41 | 2603 |
| 42 | 2687 |
| 43 | 2859 |
| 44 | 2947 |
| 45 | 3127 |
| 46 | 3219 |
| 47 | 3407 |
| 48 | 3503 |
| 49 | 3699 |