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 | 163 |
| 2 | 31651 |
| 3 | 6200923 |
| 4 | 1215356851 |
| 5 | 238209726283 |
| 6 | 46689104402851 |
| 7 | 9151064445421243 |
| 8 | 1793608631144725651 |
| 9 | 351547291702945685803 |
| 10 | 68903269173764569541251 |
| 11 | 13505040758057740566199963 |