Question

What is the next term of succession 0, 1, 3, 7, 15? please friends

Answer 1

The rule is 2x + 1.
2(0) + 1 = 0 + 1, = 1.
2(1) + 1 = 3.
2(2) + 1 = 5.
And so on.
2(15) + 1 = 31.
31 is the next term.
Hope this helps!