Question

Find the sequence 1,3,6,11,20,37,?​

Answer 1

Answer: 70

Step-by-step explanation:

Each no. Is multiplied by 2 and then subtracted by nos. 1,0, -1,-2 (these no. Are getting one less)

For eg,

1 ×2+1 = 3

3×2+0 = 6

6×2 + (-1) = 11

And so on..