Question

next number series of 1,1,3,9,13,65,71​

Answer 1

Answer:

1,1,3,9,13,65,71,497,505

Step-by-step explanation:

1x1=1,

1+2=3,

3x3 =9,

9+4=13,

13x5=65,

65+6 =71,

71x7 =497,

497+8=505

Answer 2

Answer:

Answer:

Step-by-step explanation:

The next number of the given series is =505

I hope it will help you..