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  1. #include <stdio.h>
  2.  
  3. int bn(int n)
  4. {
  5. 	if(n==1)
  6. 		return 5;
  7. 	else
  8. 		return bn(n-1) + 6;
  9. }
  10.  
  11. int an(int n)
  12. {
  13. 	if(n==1)
  14. 		return 2;
  15. 	else
  16. 		return an(n-1)+bn(n-1);
  17. }
  18.  
  19. int main(void) {
  20. 	int n;
  21.  
  22. 	scanf("%d",&n);
  23. 	printf("%d\n",an(n));
  24.  
  25. 	return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/rQHpW5
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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