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  1. f=lambda n:0**n*2or~-f(n-1)*f(n-1)+1
  2.  
  3. print(f(0))
  4. print(f(1))
  5. print(f(2))
  6. print(f(3))
  7. print(f(4))
Success #stdin #stdout 0.01s 9024KB
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Standard input is empty
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2
3
7
43
1807
https://ideone.com/nHxzEn
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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