Question

13,25,51,101,203,? what next

Answer 1

next will be 405 acc to the pattern as the pattern is first multiply by 2 then decrease one and then multiply the result by 2 and increase one..
plz mark brainliest
the calculation is 13*2-1=26-1=25
25*2+1=50+1=51
51*2-1=102-1=101
101*2+1=202+1=203
203*2-1=406-1=405

Answer 2

13*2-1=25
25*2+1=51
51*2-1=101
101*2+1=203
203*2-1=405
so the answer is 405