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 | 6 |
| 2 | 10 |
| 3 | 66 |
| 4 | 78 |
| 5 | 190 |
| 6 | 210 |
| 7 | 378 |
| 8 | 406 |
| 9 | 630 |
| 10 | 666 |
| 11 | 946 |
| 12 | 990 |
| 13 | 1326 |
| 14 | 1378 |
| 15 | 1770 |
| 16 | 1830 |
| 17 | 2278 |
| 18 | 2346 |
| 19 | 2850 |
| 20 | 2926 |
| 21 | 3486 |
| 22 | 3570 |
| 23 | 4186 |
| 24 | 4278 |
| 25 | 4950 |
| 26 | 5050 |
| 27 | 5778 |
| 28 | 5886 |
| 29 | 6670 |
| 30 | 6786 |
| 31 | 7626 |
| 32 | 7750 |
| 33 | 8646 |
| 34 | 8778 |
| 35 | 9730 |
| 36 | 9870 |
| 37 | 10878 |
| 38 | 11026 |
| 39 | 12090 |
| 40 | 12246 |
| 41 | 13366 |
| 42 | 13530 |
| 43 | 14706 |
| 44 | 14878 |
| 45 | 16110 |
| 46 | 16290 |
| 47 | 17578 |
| 48 | 17766 |
| 49 | 19110 |