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 | 49 |
| 2 | 77 |
| 3 | 121 |
| 4 | 203 |
| 5 | 319 |
| 6 | 413 |
| 7 | 679 |
| 8 | 721 |
| 9 | 749 |
| 10 | 841 |
| 11 | 869 |
| 12 | 1057 |
| 13 | 1211 |
| 14 | 1351 |
| 15 | 1393 |
| 16 | 1397 |
| 17 | 1441 |
| 18 | 1639 |
| 19 | 1687 |
| 20 | 1757 |
| 21 | 1769 |
| 22 | 1883 |
| 23 | 2167 |
| 24 | 2189 |
| 25 | 2219 |
| 26 | 2359 |
| 27 | 2429 |
| 28 | 2581 |
| 29 | 2651 |
| 30 | 2761 |
| 31 | 2959 |
| 32 | 3031 |
| 33 | 3073 |
| 34 | 3101 |
| 35 | 3227 |
| 36 | 3409 |
| 37 | 3437 |
| 38 | 3485 |
| 39 | 3487 |
| 40 | 3563 |
| 41 | 3899 |
| 42 | 4037 |
| 43 | 4039 |
| 44 | 4109 |
| 45 | 4279 |