7 15 3 July 8, 2019 16 32 64 128 7 15 31 7 15 31 next number 7 15 32 x 138 281 7 15 31 analogy 7 15 3 10 7 15 3 9 7 15 3 5 7 15 30 7 15 3 20 7 15 3 40 7 15 31 sequence 7 15 * 360 7 15 3 45 7 15 3 4 7 15 32
