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 | 561 |
| 2 | 1105 |
| 3 | 4033 |
| 4 | 5461 |
| 5 | 6601 |
| 6 | 7957 |
| 7 | 12801 |
| 8 | 18705 |
| 9 | 23001 |
| 10 | 29341 |
| 11 | 39865 |
| 12 | 72885 |
| 13 | 80581 |
| 14 | 101101 |
| 15 | 149281 |
| 16 | 314821 |
| 17 | 387731 |
| 18 | 710533 |
| 19 | 976873 |
| 20 | 1246785 |
| 21 | 2077545 |
| 22 | 2603381 |
| 23 | 3316951 |
| 24 | 6474691 |
| 25 | 7177105 |
| 26 | 12261061 |
| 27 | 19985269 |
| 28 | 24726773 |
| 29 | 35428141 |
| 30 | 50155733 |
| 31 | 51030601 |