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 | 1 |
| 2 | 13 |
| 3 | 29 |
| 4 | 121 |
| 5 | 164 |
| 6 | 269 |
| 7 | 407 |
| 8 | 758 |
| 9 | 749 |
| 10 | 1093 |
| 11 | 1217 |
| 12 | 1484 |
| 13 | 2459 |
| 14 | 2429 |
| 15 | 3242 |
| 16 | 3671 |
| 17 | 4133 |
| 18 | 3298 |
| 19 | 5132 |
| 20 | 6830 |
| 21 | 7454 |
| 22 | 6749 |
| 23 | 9841 |
| 24 | 10208 |
| 25 | 8158 |
| 26 | 10961 |
| 27 | 11747 |
| 28 | 13364 |
| 29 | 15149 |
| 30 | 17012 |
| 31 | 18983 |
| 32 | 15178 |
| 33 | 19964 |
| 34 | 22139 |
| 35 | 18749 |
| 36 | 25544 |
| 37 | 21869 |
| 38 | 27947 |
| 39 | 29186 |