1 2 5 16 what is the next number July 8, 2019 16 32 64 128 1 2 5 9 16 what is the next number 1 2 5 9 16 what is the next number sequence 1 2 3 5 16 next number 1 2 3 or 5 1 2 3 4 5 jump 1 4 9 16 and 25 sequence