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 | 6103515625 |
| 2 | 12207031250 |
| 3 | 18310546875 |
| 4 | 24414062500 |
| 5 | 36621093750 |
| 6 | 42724609375 |
| 7 | 48828125000 |
| 8 | 54931640625 |
| 9 | 67138671875 |
| 10 | 73242187500 |
| 11 | 85449218750 |
| 12 | 97656250000 |
| 13 | 109863281250 |
| 14 | 115966796875 |
| 15 | 128173828125 |
| 16 | 134277343750 |
| 17 | 140380859375 |
| 18 | 146484375000 |
| 19 | 164794921875 |