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 | 48828125 |
| 2 | 97656250 |
| 3 | 146484375 |
| 4 | 195312500 |
| 5 | 292968750 |
| 6 | 341796875 |
| 7 | 390625000 |
| 8 | 439453125 |
| 9 | 537109375 |
| 10 | 585937500 |
| 11 | 683593750 |
| 12 | 781250000 |
| 13 | 878906250 |
| 14 | 927734375 |
| 15 | 1025390625 |
| 16 | 1074218750 |
| 17 | 1123046875 |
| 18 | 1171875000 |
| 19 | 1318359375 |
| 20 | 1367187500 |
| 21 | 1513671875 |
| 22 | 1562500000 |
| 23 | 1611328125 |