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 | 121 |
| 2 | 726 |
| 3 | 3751 |
| 4 | 4961 |
| 5 | 7381 |
| 6 | 11011 |
| 7 | 29161 |
| 8 | 32791 |
| 9 | 142901 |
| 10 | 228811 |
| 11 | 239701 |
| 12 | 341341 |
| 13 | 551881 |
| 14 | 566401 |
| 15 | 595441 |
| 16 | 671671 |
| 17 | 784201 |
| 18 | 856801 |
| 19 | 1016521 |
| 20 | 1053426 |
| 21 | 1237951 |
| 22 | 1335961 |
| 23 | 1433971 |
| 24 | 1804231 |
| 25 | 1916761 |
| 26 | 2000251 |
| 27 | 2254351 |
| 28 | 2446741 |
| 29 | 2817001 |
| 30 | 2983981 |
| 31 | 3078361 |
| 32 | 3307051 |
| 33 | 3562361 |