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 | 3 |
| 3 | 6 |
| 4 | 54 |
| 5 | 174 |
| 6 | 246 |
| 7 | 366 |
| 8 | 534 |
| 9 | 606 |
| 10 | 654 |
| 11 | 894 |
| 12 | 966 |
| 13 | 1086 |
| 14 | 1374 |
| 15 | 1446 |
| 16 | 1614 |
| 17 | 1686 |
| 18 | 2046 |
| 19 | 2094 |
| 20 | 2214 |
| 21 | 2334 |
| 22 | 2406 |
| 23 | 2454 |
| 24 | 2526 |
| 25 | 2694 |
| 26 | 2766 |
| 27 | 3054 |
| 28 | 3126 |
| 29 | 3246 |
| 30 | 3414 |
| 31 | 3606 |
| 32 | 3846 |
| 33 | 3966 |
| 34 | 4206 |
| 35 | 4254 |
| 36 | 4566 |
| 37 | 4614 |
| 38 | 4854 |
| 39 | 4926 |
| 40 | 4974 |
| 41 | 5286 |
| 42 | 5382 |
| 43 | 5406 |
| 44 | 5574 |
| 45 | 5646 |
| 46 | 6054 |