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 | 721801 |
| 2 | 8646121 |
| 3 | 10403641 |
| 4 | 22885129 |
| 5 | 36307981 |
| 6 | 42702661 |
| 7 | 46094401 |
| 8 | 48064021 |
| 9 | 52204237 |
| 10 | 79398901 |
| 11 | 80918281 |
| 12 | 81954133 |
| 13 | 114329881 |
| 14 | 116151661 |
| 15 | 143168581 |
| 16 | 170782921 |
| 17 | 188985961 |
| 18 | 217145881 |
| 19 | 220531501 |
| 20 | 282707461 |
| 21 | 299671921 |
| 22 | 303373801 |
| 23 | 326695141 |
| 24 | 353815801 |
| 25 | 361307521 |