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 | 4 |
| 2 | 9 |
| 3 | 22 |
| 4 | 41 |
| 5 | 66 |
| 6 | 107 |
| 7 | 158 |
| 8 | 219 |
| 9 | 304 |
| 10 | 403 |
| 11 | 516 |
| 12 | 661 |
| 13 | 824 |
| 14 | 1005 |
| 15 | 1226 |
| 16 | 1469 |
| 17 | 1734 |
| 18 | 2047 |
| 19 | 2386 |
| 20 | 2751 |
| 21 | 3172 |
| 22 | 3623 |
| 23 | 4104 |
| 24 | 4649 |
| 25 | 5228 |
| 26 | 5841 |
| 27 | 6526 |
| 28 | 7249 |
| 29 | 8010 |
| 30 | 8851 |
| 31 | 9734 |
| 32 | 10659 |
| 33 | 11672 |
| 34 | 12731 |
| 35 | 13836 |
| 36 | 15037 |
| 37 | 16288 |
| 38 | 17589 |
| 39 | 18994 |
| 40 | 20453 |
| 41 | 21966 |
| 42 | 23591 |
| 43 | 25274 |
| 44 | 27015 |