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 | 25 |
2 | 385 |
3 | 4725 |
4 | 50820 |
5 | 501900 |
6 | 4672920 |
7 | 41685600 |
8 | 360085935 |
9 | 3033805775 |
10 | 25058420387 |
11 | 203669422775 |
12 | 1633497471060 |
13 | 12955708250100 |
14 | 101784012971220 |
15 | 793140294780900 |
16 | 6136733150696295 |
17 | 47186865239460975 |
18 | 360841077902101335 |
19 | 2745899433121042275 |
20 | 20804106874715457216 |