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 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 17 |
| 5 | 59 |
| 6 | 101 |
| 7 | 563 |
| 8 | 2617 |
| 9 | 9299 |
| 10 | 22109 |
| 11 | 132989 |
| 12 | 364979 |
| 13 | 1970869 |
| 14 | 23515229 |
| 15 | 109258049 |
| 16 | 831731339 |