public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int t = sc . nextInt ( ) ;
  while ( t -- > 0 ) {
    int n = sc . nextInt ( ) ;
    int last = sc . nextInt ( ) ;
    int ans = 0 ;
    for ( int i = 1 ;
    i < n ;
    i ++ ) {
      int nw = sc . nextInt ( ) ;
      int a = Math . min ( last , nw ) ;
      int b = Math . max ( last , nw ) ;
      while ( a * 2 < b ) {
        ans ++ ;
        a *= 2 ;
      }
      last = nw ;
    }
    System . out . println ( ans ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int t = sc . nextInt ( ) ; while ( t -- > 0 ) { int n = sc . nextInt ( ) ; int last = sc . nextInt ( ) ; int ans = 0 ; for ( int i = 1 ; i < n ; i ++ ) { int nw = sc . nextInt ( ) ; int a = Math . min ( last , nw ) ; int b = Math . max ( last , nw ) ; while ( a * 2 < b ) { ans ++ ; a *= 2 ; } last = nw ; } System . out . println ( ans ) ; } }
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