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 | 109 |
| 2 | 149 |
| 3 | 269 |
| 4 | 389 |
| 5 | 461 |
| 6 | 941 |
| 7 | 1061 |
| 8 | 1949 |
| 9 | 2309 |
| 10 | 2909 |
| 11 | 3581 |
| 12 | 3821 |
| 13 | 10301 |
| 14 | 10709 |
| 15 | 11549 |
| 16 | 11981 |
| 17 | 16229 |
| 18 | 18869 |
| 19 | 19421 |
| 20 | 22901 |
| 21 | 24749 |
| 22 | 26669 |
| 23 | 30029 |
| 24 | 32141 |
| 25 | 44621 |
| 26 | 52541 |
| 27 | 57221 |
| 28 | 72461 |
| 29 | 76829 |
| 30 | 94349 |
| 31 | 96821 |
| 32 | 109661 |
| 33 | 128981 |
| 34 | 134789 |
| 35 | 167381 |
| 36 | 201701 |
| 37 | 214469 |
| 38 | 253109 |