How to find rules and fill in numbers in primary school (super simple) 1,2,3,10,17,（）,（）

1=0^2＋1=0+1
2=1^2＋1
5=2^2＋1
10=3^2＋1
17=4^2＋1
……
and so on.
If it's a primary school student, let's put it simply
Add 1, 3, 5, and 7 to the former to get the latter