Untitled
user_8840555
python
2 years ago
174 B
4
Indexable
import sys sys.setrecursionlimit(3000) def f(n): if n == 1: return 1 if n > 1: return 2 * n * f(n - 1) - 1 print(f(2000) / f(1997))
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import sys sys.setrecursionlimit(3000) def f(n): if n == 1: return 1 if n > 1: return 2 * n * f(n - 1) - 1 print(f(2000) / f(1997))