3 6 9 12 sequence July 8, 2019 16 32 64 128 3 6 9 12 sequence formula 3 6 9 12 arithmetic sequence Sequence 3 6 9 12 nth term rule Number sequence 3 6 9 12 In the sequence 3 6 9 12 the next number is Consider the sequence 3 6 9 12 Complete the sequence 3 6 9 12 Given the sequence 3 6 9 12 What type of sequence is 3 6 9 12