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 | 105 |
| 3 | 905 |
| 4 | 10234 |
| 5 | 205888 |
| 6 | 3015179 |
| 7 | 45293985 |
| 8 | 726450667 |
| 9 | 11267743659 |
| 10 | 174940837668 |
| 11 | 2737325839679 |
| 12 | 42676467159309 |
| 13 | 665276067132323 |
| 14 | 10380615509680131 |
| 15 | 161909949029518946 |
| 16 | 2525266352244161021 |