9 3 1 1 3 sequence July 8, 2019 16 32 64 128 Next number sequence 9 3 1 1 3 Number sequence 9 3 1 1 3 Next sequence 9 3 1 1 3 Finish the sequence 9 3 1 1 3 Is 1 3 1 3 9 a geometric sequence What comes next in the sequence 9 3 1 1 3 1 3 9 27 pattern rule Sequence 3 3 -1 -5 -9 sequence