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) |
|---|---|
| 0 | 2 |
| 1 | 13 |
| 2 | 145 |
| 3 | 1729 |
| 4 | 20737 |
| 5 | 248833 |
| 6 | 2985985 |
| 7 | 35831809 |
| 8 | 429981697 |
| 9 | 5159780353 |
| 10 | 61917364225 |
| 11 | 743008370689 |
| 12 | 8916100448257 |
| 13 | 106993205379073 |
| 14 | 1283918464548865 |
| 15 | 15407021574586369 |
| 16 | 184884258895036417 |
| 17 | 2218611106740436993 |