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 | 45751 |
| 3 | 149351 |
| 4 | 171529 |
| 5 | 223099 |
| 6 | 434237 |
| 7 | 678077 |
| 8 | 706841 |
| 9 | 1996297 |
| 10 | 3993037 |
| 11 | 6340457 |
| 12 | 7199113 |
| 13 | 7419761 |
| 14 | 9000317 |
| 15 | 13129271 |
| 16 | 15052777 |
| 17 | 17193217 |
| 18 | 18436879 |
| 19 | 18749881 |
| 20 | 18998519 |
| 21 | 23353469 |
| 22 | 23689423 |
| 23 | 33746663 |
| 24 | 40985411 |
| 25 | 41437751 |
| 26 | 43547797 |
| 27 | 51198097 |
| 28 | 53773651 |
| 29 | 56825687 |
| 30 | 60207809 |
| 31 | 62190113 |
| 32 | 79778899 |
| 33 | 81708353 |
| 34 | 83019421 |