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 | 1 |
| 2 | 100 |
| 3 | 1225 |
| 4 | 10000 |
| 5 | 93025 |
| 6 | 122500 |
| 7 | 1000000 |
| 8 | 9302500 |
| 9 | 12250000 |
| 10 | 100000000 |
| 11 | 930250000 |
| 12 | 1225000000 |
| 13 | 10000000000 |
| 14 | 14731890625 |
| 15 | 93025000000 |
| 16 | 122500000000 |
| 17 | 863273265625 |
| 18 | 1000000000000 |
| 19 | 1473189062500 |
| 20 | 9302500000000 |
| 21 | 12250000000000 |
| 22 | 86327326562500 |
| 23 | 100000000000000 |