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Sep 28th, 2021
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Python 0.18 KB | None | 0 0
  1. def f(n):
  2.     if n == 1:
  3.         return 1
  4.     if n > 1 and n % 2 == 0:
  5.         return n*n + f(n-1)
  6.     if n > 1 and n % 2 != 0:
  7.         return f(n-1) + 2*f(n-2)
  8.  
  9.  
  10. print(f(23))
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