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 | 251 |
| 2 | 17471 |
| 3 | 56081 |
| 4 | 75521 |
| 5 | 94421 |
| 6 | 115751 |
| 7 | 121001 |
| 8 | 154061 |
| 9 | 163841 |
| 10 | 179801 |
| 11 | 185051 |
| 12 | 250031 |
| 13 | 344231 |
| 14 | 351041 |
| 15 | 380441 |
| 16 | 417941 |
| 17 | 517061 |
| 18 | 683681 |
| 19 | 703211 |
| 20 | 713171 |
| 21 | 783131 |
| 22 | 849581 |
| 23 | 916451 |
| 24 | 983771 |
| 25 | 1003091 |
| 26 | 1025261 |
| 27 | 1055591 |
| 28 | 1070411 |
| 29 | 1115561 |
| 30 | 1129841 |
| 31 | 1260881 |
| 32 | 1517921 |
| 33 | 1565171 |