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 | 25 |
| 2 | 185 |
| 3 | 5141 |
| 4 | 5149 |
| 5 | 11995 |
| 6 | 25727 |
| 7 | 27439 |
| 8 | 82345 |
| 9 | 723845 |
| 10 | 2174987 |
| 11 | 6530119 |
| 12 | 6530123 |
| 13 | 39182441 |
| 14 | 91425127 |
| 15 | 195910507 |
| 16 | 235092943 |
| 17 | 626913953 |
| 18 | 1293010349 |
| 19 | 5158981145 |
| 20 | 16756893533 |
| 21 | 18036843631 |
| 22 | 51550630699 |
| 23 | 103284111653 |
| 24 | 104537939563 |
| 25 | 207665323147 |