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 | 5 |
| 2 | 12 |
| 3 | 23 |
| 4 | 46 |
| 5 | 93 |
| 6 | 152 |
| 7 | 235 |
| 8 | 342 |
| 9 | 509 |
| 10 | 688 |
| 11 | 915 |
| 12 | 1178 |
| 13 | 1525 |
| 14 | 1884 |
| 15 | 2267 |
| 16 | 2734 |
| 17 | 3213 |
| 18 | 3716 |
| 19 | 4279 |
| 20 | 4866 |
| 21 | 5585 |
| 22 | 6424 |
| 23 | 7287 |
| 24 | 8174 |
| 25 | 9157 |
| 26 | 10176 |
| 27 | 11363 |
| 28 | 12646 |
| 29 | 13953 |
| 30 | 15272 |
| 31 | 16639 |
| 32 | 18078 |
| 33 | 19565 |
| 34 | 21088 |
| 35 | 22707 |
| 36 | 24530 |
| 37 | 26437 |
| 38 | 28464 |
| 39 | 30503 |
| 40 | 32566 |
| 41 | 34665 |