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  1. f=lambda x:reduce(int.__mul__,[2]+[f(y)for y in range(x-1)])+1
  2.  
  3. for i in range(6):
  4. 	print i, f(i)
Success #stdin #stdout 0s 9024KB
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Standard input is empty
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0 3
1 3
2 7
3 19
4 127
5 2395
https://ideone.com/HzgjAm
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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