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 | 2205 |
| 2 | 312896925 |
| 3 | 1874196225 |
| 4 | 3356107425 |
| 5 | 4181881725 |
| 6 | 4987853325 |
| 7 | 6946213725 |
| 8 | 8860349025 |
| 9 | 13250605725 |
| 10 | 17989980525 |
| 11 | 25443641025 |
| 12 | 32177090925 |
| 13 | 38286871425 |
| 14 | 55531730925 |
| 15 | 75756402225 |
| 16 | 113679103725 |
| 17 | 152738872209 |
| 18 | 170812073025 |
| 19 | 179835853725 |
| 20 | 186091427025 |