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  1. #include <stdio.h>
  2. int bn(int n){
  3. 	if(n==1) return 5;
  4. 	else return bn(n-1)+6;
  5. }
  6.  
  7. int an(int n){
  8. 	if(n==1) return 2;
  9. 	else return an(n-1)+bn(n-1);
  10.  }
  11.  
  12. int main(void) {
  13. 	int n;
  14. 	scanf("%d",&n);
  15. 	printf("%d",an(n));
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/USGTYc
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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