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 | 9 |
| 2 | 12 |
| 3 | 26 |
| 4 | 46 |
| 5 | 66 |
| 6 | 86 |
| 7 | 90 |
| 8 | 100 |
| 9 | 114 |
| 10 | 120 |
| 11 | 126 |
| 12 | 174 |
| 13 | 190 |
| 14 | 212 |
| 15 | 280 |
| 16 | 386 |
| 17 | 396 |
| 18 | 410 |
| 19 | 480 |
| 20 | 598 |
| 21 | 726 |
| 22 | 916 |
| 23 | 964 |
| 24 | 1000 |
| 25 | 1074 |
| 26 | 1090 |
| 27 | 1218 |
| 28 | 1280 |
| 29 | 1378 |
| 30 | 1380 |
| 31 | 1614 |
| 32 | 1728 |
| 33 | 1774 |
| 34 | 1924 |
| 35 | 1998 |
| 36 | 2378 |
| 37 | 2452 |
| 38 | 2514 |
| 39 | 2608 |
| 40 | 2852 |
| 41 | 2866 |
| 42 | 2870 |
| 43 | 3080 |