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 | 4681 |
| 2 | 29341 |
| 3 | 42799 |
| 4 | 49141 |
| 5 | 52633 |
| 6 | 85489 |
| 7 | 90751 |
| 8 | 104653 |
| 9 | 458989 |
| 10 | 1004653 |
| 11 | 1082401 |
| 12 | 1251949 |
| 13 | 1302451 |
| 14 | 1907851 |
| 15 | 2510569 |
| 16 | 2811271 |
| 17 | 3090091 |
| 18 | 3539101 |
| 19 | 5044033 |
| 20 | 5049001 |
| 21 | 5489641 |
| 22 | 5590621 |
| 23 | 7177105 |
| 24 | 9069229 |
| 25 | 9073513 |
| 26 | 9567673 |
| 27 | 9995671 |
| 28 | 10323769 |
| 29 | 11473885 |
| 30 | 12263131 |