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 | 30 |
| 2 | 70 |
| 3 | 105 |
| 4 | 231 |
| 5 | 286 |
| 6 | 627 |
| 7 | 646 |
| 8 | 805 |
| 9 | 897 |
| 10 | 1122 |
| 11 | 1581 |
| 12 | 1798 |
| 13 | 2730 |
| 14 | 2958 |
| 15 | 2967 |
| 16 | 3055 |
| 17 | 3526 |
| 18 | 3570 |
| 19 | 4070 |
| 20 | 4543 |
| 21 | 5487 |
| 22 | 5658 |
| 23 | 6461 |
| 24 | 6745 |
| 25 | 7198 |
| 26 | 7881 |
| 27 | 8778 |
| 28 | 8970 |
| 29 | 9222 |
| 30 | 9282 |
| 31 | 9717 |
| 32 | 10366 |
| 33 | 10370 |
| 34 | 10626 |
| 35 | 10707 |
| 36 | 11130 |
| 37 | 14231 |
| 38 | 15015 |
| 39 | 16377 |
| 40 | 16530 |
| 41 | 19866 |