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  1. n=int(input())
  2. a=1
  3. sum=1
  4. print(a,sum, sep=" ",end=" \n")
  5. for i in range(1,n+1): 
  6.     a=2*a+3
  7.     sum=sum+a
  8.     print(a,sum, sep=" ",end=" \n")
  9. print(" ")
Success #stdin #stdout 0.07s 14136KB
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stdin
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10
stdout
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1 1 
5 6 
13 19 
29 48 
61 109 
125 234 
253 487 
509 996 
1021 2017 
2045 4062 
4093 8155
https://ideone.com/XDWOSz
language:
Python 3 (python  3.12)
created:
8 days ago
visibility:
public

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