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 | 27 |
| 2 | 125 |
| 3 | 1331 |
| 4 | 4913 |
| 5 | 29791 |
| 6 | 68921 |
| 7 | 205379 |
| 8 | 300763 |
| 9 | 571787 |
| 10 | 1295029 |
| 11 | 2048383 |
| 12 | 3869893 |
| 13 | 5735339 |
| 14 | 6967871 |
| 15 | 9393931 |
| 16 | 13997521 |
| 17 | 21253933 |
| 18 | 22665187 |
| 19 | 36264691 |
| 20 | 43986977 |
| 21 | 49430863 |
| 22 | 64481201 |
| 23 | 80062991 |
| 24 | 97972181 |
| 25 | 131872229 |
| 26 | 163667323 |