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 | 32 |
| 2 | 144 |
| 3 | 1665 |
| 4 | 11556 |
| 5 | 103484 |
| 6 | 813309 |
| 7 | 6814290 |
| 8 | 55337580 |
| 9 | 456131965 |
| 10 | 3733374889 |
| 11 | 30657827284 |
| 12 | 251373054600 |
| 13 | 2062533960693 |
| 14 | 16917792861256 |
| 15 | 138787419681888 |
| 16 | 1138485405941113 |
| 17 | 9339379255511170 |
| 18 | 76613020663877804 |
| 19 | 628477682370006669 |