Driver Method
int main ( ) { long long int n = 10 ; cout << " The ▁ first ▁ " << n << " ▁ terms ▁ are " << endl ; vector < long long int > res = conell ( n ) ; for ( int i = 0 ; i < res . size ( ) ; i ++ ) cout << res [ i ] << " ▁ " ; cout << endl ; return 0 ; }