Question

数列逻辑推理问题

2,3,7,45,2017,之后为什么是4068273

Answer 1

2^2-1
3^2-2
7^2-4
45^-8
2017*2-16=4068273
接下来是4068273^2-32=16550845202497

Answer 2

2^2-1=3
3^2-2=7
7^2-4=45
45^2-8=2017
2017^2-16=4068273