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) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 13 |
| 3 | 31 |
| 4 | 43 |
| 5 | 73 |
| 6 | 91 |
| 7 | 133 |
| 8 | 157 |
| 9 | 211 |
| 10 | 241 |
| 11 | 307 |
| 12 | 343 |
| 13 | 421 |
| 14 | 463 |
| 15 | 553 |
| 16 | 601 |
| 17 | 703 |
| 18 | 757 |
| 19 | 871 |
| 20 | 931 |
| 21 | 1057 |
| 22 | 1123 |
| 23 | 1261 |
| 24 | 1333 |
| 25 | 1483 |
| 26 | 1561 |
| 27 | 1723 |
| 28 | 1807 |
| 29 | 1981 |
| 30 | 2071 |
| 31 | 2257 |
| 32 | 2353 |
| 33 | 2551 |
| 34 | 2653 |
| 35 | 2863 |
| 36 | 2971 |
| 37 | 3193 |
| 38 | 3307 |
| 39 | 3541 |
| 40 | 3661 |
| 41 | 3907 |
| 42 | 4033 |
| 43 | 4291 |
| 44 | 4423 |
| 45 | 4693 |
| 46 | 4831 |
| 47 | 5113 |
| 48 | 5257 |
| 49 | 5551 |
| 50 | 5701 |
| 51 | 6007 |
| 52 | 6163 |
| 53 | 6481 |