30n+100
3n+5
5m+1
10y-10
200-3n
2+6f
n-4
2n+1
5k-2
n+1
8,14,20,26,32,...
-3,-2,-1,0,1,...
2,3,4,5,6,...
3,8,13,18,...
3,5,7,9,11,...
8,11,14, 17,20,...
0,10,20,30,40,...
130,160,190,220,...
197,194,191,188,...
6,11,16,21,...