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 | 168 |
| 2 | 186 |
| 3 | 345 |
| 4 | 354 |
| 5 | 435 |
| 6 | 453 |
| 7 | 534 |
| 8 | 543 |
| 9 | 618 |
| 10 | 681 |
| 11 | 816 |
| 12 | 861 |
| 13 | 1068 |
| 14 | 1086 |
| 15 | 1156 |
| 16 | 1165 |
| 17 | 1516 |
| 18 | 1561 |
| 19 | 1608 |
| 20 | 1615 |
| 21 | 1651 |
| 22 | 1680 |
| 23 | 1806 |
| 24 | 1860 |
| 25 | 3045 |
| 26 | 3054 |
| 27 | 3405 |
| 28 | 3450 |
| 29 | 3504 |
| 30 | 3540 |
| 31 | 4035 |
| 32 | 4053 |
| 33 | 4305 |
| 34 | 4350 |
| 35 | 4503 |
| 36 | 4530 |
| 37 | 5034 |
| 38 | 5043 |
| 39 | 5116 |
| 40 | 5161 |
| 41 | 5304 |
| 42 | 5340 |
| 43 | 5403 |
| 44 | 5430 |
| 45 | 5611 |