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 | 3 |
| 2 | 9 |
| 3 | 24 |
| 4 | 52 |
| 5 | 118 |
| 6 | 209 |
| 7 | 362 |
| 8 | 552 |
| 9 | 828 |
| 10 | 1263 |
| 11 | 1759 |
| 12 | 2462 |
| 13 | 3323 |
| 14 | 4269 |
| 15 | 5397 |
| 16 | 6828 |
| 17 | 8598 |
| 18 | 10489 |
| 19 | 12767 |
| 20 | 15323 |
| 21 | 18024 |
| 22 | 21184 |
| 23 | 24670 |
| 24 | 28675 |
| 25 | 33428 |
| 26 | 38579 |
| 27 | 43935 |
| 28 | 49713 |
| 29 | 55708 |
| 30 | 62149 |
| 31 | 70277 |
| 32 | 78923 |
| 33 | 88376 |
| 34 | 98106 |
| 35 | 109281 |
| 36 | 120757 |
| 37 | 133160 |
| 38 | 146526 |
| 39 | 160554 |