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- from fractions import Fraction
- coefs = [
- Fraction(1),
- Fraction(1),
- Fraction(1,2),
- Fraction(35, 216),
- Fraction(65, 1728),
- Fraction(17, 2592),
- Fraction(41, 46656),
- Fraction(17,186624),
- Fraction(65, 8957952),
- Fraction(35, 80621568),
- Fraction(1, 53747712),
- Fraction(1, 1934917632),
- Fraction(1, 139314069504),
- ]
- from math import factorial
- ev = 0
- for i, coef in enumerate(coefs):
- ev += factorial(i) * coef
- print ev
- # 4084571/559872
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