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 | 5 |
| 2 | 23 |
| 3 | 53 |
| 4 | 95 |
| 5 | 149 |
| 6 | 215 |
| 7 | 293 |
| 8 | 383 |
| 9 | 485 |
| 10 | 599 |
| 11 | 725 |
| 12 | 863 |
| 13 | 1013 |
| 14 | 1175 |
| 15 | 1349 |
| 16 | 1535 |
| 17 | 1733 |
| 18 | 1943 |
| 19 | 2165 |
| 20 | 2399 |
| 21 | 2645 |
| 22 | 2903 |
| 23 | 3173 |
| 24 | 3455 |
| 25 | 3749 |
| 26 | 4055 |
| 27 | 4373 |
| 28 | 4703 |
| 29 | 5045 |
| 30 | 5399 |
| 31 | 5765 |
| 32 | 6143 |
| 33 | 6533 |
| 34 | 6935 |
| 35 | 7349 |
| 36 | 7775 |
| 37 | 8213 |
| 38 | 8663 |
| 39 | 9125 |
| 40 | 9599 |
| 41 | 10085 |
| 42 | 10583 |
| 43 | 11093 |
| 44 | 11615 |