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 | 3 |
| 2 | 5 |
| 3 | 109 |
| 4 | 193 |
| 5 | 281 |
| 6 | 509 |
| 7 | 661 |
| 8 | 827 |
| 9 | 857 |
| 10 | 1439 |
| 11 | 2111 |
| 12 | 3433 |
| 13 | 3889 |
| 14 | 3967 |
| 15 | 4549 |
| 16 | 6661 |
| 17 | 7001 |
| 18 | 8467 |
| 19 | 10099 |
| 20 | 17203 |
| 21 | 18583 |
| 22 | 21011 |
| 23 | 21611 |
| 24 | 23831 |
| 25 | 24847 |
| 26 | 25117 |
| 27 | 26261 |
| 28 | 26497 |
| 29 | 26861 |
| 30 | 28181 |
| 31 | 29587 |
| 32 | 30497 |
| 33 | 31307 |
| 34 | 47569 |
| 35 | 47869 |
| 36 | 49789 |
| 37 | 53939 |
| 38 | 54139 |
| 39 | 66361 |