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 | 4 |
2 | 18 |
3 | 210 |
4 | 2058 |
5 | 175098 |
6 | 1586130 |
7 | 129009090 |
8 | 1161737178 |
9 | 94134790218 |
10 | 68629840493970 |
11 | 617671248800298 |
12 | 450283768452043890 |
13 | 36472994178147530850 |
14 | 328256958598444055418 |
15 | 26588814218220014932458 |
16 | 19383245658672820642055730 |