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 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 47 |
| 6 | 52 |
| 7 | 60 |
| 8 | 1374 |
| 9 | 1385 |
| 10 | 3738 |
| 11 | 3755 |
| 12 | 6680 |
| 13 | 6703 |
| 14 | 84626 |
| 15 | 84657 |
| 16 | 89480 |
| 17 | 89521 |
| 18 | 91832 |
| 19 | 91879 |
| 20 | 173092 |
| 21 | 173151 |
| 22 | 192882 |
| 23 | 192949 |
| 24 | 524587 |
| 25 | 524660 |
| 26 | 865301 |
| 27 | 865384 |
| 28 | 876543 |
| 29 | 876640 |
| 30 | 890479 |
| 31 | 890582 |
| 32 | 904273 |
| 33 | 904382 |
| 34 | 918859 |
| 35 | 918986 |
| 36 | 1628979 |
| 37 | 1629116 |
| 38 | 1647107 |
| 39 | 1647256 |
| 40 | 1666775 |
| 41 | 1666932 |
| 42 | 1687763 |
| 43 | 1687930 |