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 | 1 |
| 2 | 30 |
| 3 | 70 |
| 4 | 286 |
| 5 | 646 |
| 6 | 1798 |
| 7 | 2145 |
| 8 | 2310 |
| 9 | 2730 |
| 10 | 3135 |
| 11 | 3526 |
| 12 | 3570 |
| 13 | 4641 |
| 14 | 4845 |
| 15 | 5005 |
| 16 | 5610 |
| 17 | 6006 |
| 18 | 6279 |
| 19 | 6630 |
| 20 | 7198 |
| 21 | 7410 |
| 22 | 7854 |
| 23 | 8778 |
| 24 | 8855 |
| 25 | 8970 |
| 26 | 9177 |
| 27 | 10366 |
| 28 | 10374 |
| 29 | 10626 |
| 30 | 10695 |
| 31 | 11305 |
| 32 | 11571 |
| 33 | 11730 |
| 34 | 13110 |
| 35 | 13485 |
| 36 | 13566 |
| 37 | 13585 |
| 38 | 15470 |
| 39 | 16095 |
| 40 | 16302 |
| 41 | 16422 |
| 42 | 16530 |