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  1. #include <stdio.h>
  2.  
  3. f(n){return--n?f(n)*~-f(n)+1:2;}
  4.  
  5. int main(void) {
  6. 	int n;
  7. 	for (n = 1; n < 6; n++) printf("%u\n", f(n));
  8. 	return 0;
  9. }
  10.  
Success #stdin #stdout 0s 2168KB
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Standard input is empty
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2
3
7
43
1807
https://ideone.com/v1l893
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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