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v=lambda n,m:n*m and v(v(n-1,m)-1,m-1)or 3**-~n
g=lambda n=63:v(2,n and v(2,n-1)or 3)
print(v(2,1))
print(v(4,0))

Success #stdin #stdout 0.01s 8968KB

stdin

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Standard input is empty

stdout

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7625597484987
243

https://ideone.com/a5lkxi

language:

Python (cpython 2.7.16)

created:

visibility:

public

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