Question 1185085
0+1=1
1+2=3
2+3=5
5+8=13
8+13=21
Not any apparent pattern


1-0=1;
2-1=1;
3-2=1
5-3=2;
8-5=3;
13-8=5;
18-13=5;
No pattern


Pick any counting number you want as long as it is bigger than 18.  No pattern.