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) |
|---|---|
| 0 | 1 |
| 1 | 34 |
| 2 | 1157 |
| 3 | 39372 |
| 4 | 1339805 |
| 5 | 45592742 |
| 6 | 1551493033 |
| 7 | 52796355864 |
| 8 | 1796627592409 |
| 9 | 61138134497770 |
| 10 | 2080493200516589 |
| 11 | 70797906952061796 |
| 12 | 2409209329570617653 |
| 13 | 81983915112353061998 |
| 14 | 2789862323149574725585 |
| 15 | 94937302902197893731888 |