Question

Find the sequence 1,3,6,11,20,37,?

Answer 1

Answer:

Step-by-step explanation:

1 // our series starts with 1, we will use this 1 in next step

(1 * 2) + 1 = 3 // use this 3 in next step and so on..

(3 * 2) + 0 = 6

(6 * 2) - 1 = 11

(11 * 2) -2 = 20

(20 * 2) - 3 = 37 and so on..