text: If i is odd
code: if ( i % 2 != 0 ) : NEW_LINE INDENT arr [ i ] = arr [ i // 2 ] * 10 + 3 NEW_LINE DEDENT else : NEW_LINE INDENT arr [ i ] = arr [ ( i // 2 ) - 1 ] * 10 + 5 NEW_LINE DEDENT return arr [ n ] NEW_LINE