Declare array to store sequence
int f [ n + 1 ] ; f [ 0 ] = 0 ; f [ 1 ] = 1 ; f [ 2 ] = 1 ; cout << f [ 1 ] << " ▁ " << f [ 2 ] << " ▁ " ; for ( int i = 3 ; i <= n ; i ++ ) { f [ i ] = f [ f [ i - 1 ] ] + f [ i - f [ i - 1 ] ] ; cout << f [ i ] << " ▁ " ; } }