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 | 229 |
| 2 | 117805 |
| 3 | 64647289 |
| 4 | 35669566217 |
| 5 | 19690797527709 |
| 6 | 10870506600976757 |
| 7 | 6001202979497804657 |
| 8 | 3313042830624031354513 |
| 9 | 1829008840116358153050197 |
| 10 | 1009728374600381843221483965 |
| 11 | 557433823481589253332775648233 |
| 12 | 307738670509229621147710358375321 |