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 | 1 |
| 1 | 11 |
| 2 | 121 |
| 3 | 1331 |
| 4 | 14641 |
| 5 | 162151 |
| 6 | 1783661 |
| 7 | 20731371 |
| 8 | 228145181 |
| 9 | 2520607101 |
| 10 | 27726678111 |
| 11 | 316104570221 |
| 12 | 3477151372431 |
| 13 | 38358665206741 |
| 14 | 433056427275251 |
| 15 | 4763631711137761 |
| 16 | 53511048822526471 |
| 17 | 588621548147802281 |
| 18 | 6585837140636825201 |
| 19 | 73555318547116177211 |