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 | 252601 |
| 2 | 399001 |
| 3 | 512461 |
| 4 | 852841 |
| 5 | 1193221 |
| 6 | 1857241 |
| 7 | 1909001 |
| 8 | 2100901 |
| 9 | 3828001 |
| 10 | 5049001 |
| 11 | 5148001 |
| 12 | 5481451 |
| 13 | 6189121 |
| 14 | 7519441 |
| 15 | 8341201 |
| 16 | 9439201 |
| 17 | 10024561 |
| 18 | 10837321 |
| 19 | 14676481 |
| 20 | 15247621 |
| 21 | 17236801 |
| 22 | 27062101 |
| 23 | 29111881 |
| 24 | 31405501 |
| 25 | 33302401 |
| 26 | 34657141 |
| 27 | 40430401 |
| 28 | 42490801 |