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 | 13 |
| 2 | 145 |
| 3 | 156 |
| 4 | 1729 |
| 5 | 1740 |
| 6 | 1872 |
| 7 | 20737 |
| 8 | 20748 |
| 9 | 20880 |
| 10 | 22464 |
| 11 | 248833 |
| 12 | 248844 |
| 13 | 248976 |
| 14 | 250560 |
| 15 | 269568 |
| 16 | 2985985 |
| 17 | 2985996 |
| 18 | 2986128 |
| 19 | 2987712 |
| 20 | 3006720 |
| 21 | 3234816 |
| 22 | 35831809 |
| 23 | 35831820 |
| 24 | 35831952 |
| 25 | 35833536 |
| 26 | 35852544 |
| 27 | 36080640 |
| 28 | 38817792 |
| 29 | 429981697 |
| 30 | 429981708 |
| 31 | 429981840 |
| 32 | 429983424 |
| 33 | 430002432 |
| 34 | 430230528 |