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 | 3301 |
| 2 | 15901 |
| 3 | 18211 |
| 4 | 30091 |
| 5 | 53611 |
| 6 | 71341 |
| 7 | 77551 |
| 8 | 80911 |
| 9 | 89101 |
| 10 | 120811 |
| 11 | 252151 |
| 12 | 285451 |
| 13 | 292471 |
| 14 | 294781 |
| 15 | 344251 |
| 16 | 601801 |
| 17 | 616501 |
| 18 | 744811 |
| 19 | 792691 |
| 20 | 809821 |
| 21 | 908521 |
| 22 | 912391 |
| 23 | 1152631 |
| 24 | 1154221 |
| 25 | 1279801 |
| 26 | 1376491 |
| 27 | 1398031 |
| 28 | 1455361 |
| 29 | 1464271 |
| 30 | 1500511 |
| 31 | 1503031 |
| 32 | 1555111 |
| 33 | 1594261 |