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 | 15 |
| 2 | 33 |
| 3 | 187 |
| 4 | 309 |
| 5 | 559 |
| 6 | 1411 |
| 7 | 1897 |
| 8 | 2263 |
| 9 | 2869 |
| 10 | 3543 |
| 11 | 6979 |
| 12 | 10717 |
| 13 | 11559 |
| 14 | 11995 |
| 15 | 22353 |
| 16 | 32953 |
| 17 | 39009 |
| 18 | 54529 |
| 19 | 57363 |
| 20 | 58333 |
| 21 | 66313 |
| 22 | 77011 |
| 23 | 80383 |
| 24 | 113917 |
| 25 | 120759 |
| 26 | 124969 |
| 27 | 147079 |
| 28 | 158011 |
| 29 | 167701 |
| 30 | 175983 |
| 31 | 177673 |
| 32 | 237661 |
| 33 | 241581 |
| 34 | 253519 |
| 35 | 299767 |
| 36 | 310813 |
| 37 | 376387 |
| 38 | 381309 |