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 | 199 |
| 2 | 409 |
| 3 | 3499 |
| 4 | 10859 |
| 5 | 564973 |
| 6 | 1288607 |
| 7 | 1302281 |
| 8 | 2358841 |
| 9 | 3600521 |
| 10 | 4047803 |
| 11 | 17160749 |
| 12 | 20751193 |
| 13 | 23241473 |
| 14 | 44687567 |
| 15 | 50655739 |
| 16 | 53235151 |
| 17 | 87662609 |
| 18 | 100174043 |
| 19 | 103468003 |
| 20 | 110094161 |
| 21 | 180885839 |
| 22 | 187874017 |
| 23 | 192205147 |
| 24 | 221712811 |
| 25 | 243051733 |
| 26 | 243051943 |
| 27 | 304570103 |