301
-4,-2,0,2...
3(30)+1
n-15
1,3,5,7...
3(120)+1
3(3)+1
-14,-13,-12,-11...
3(2)+1
3(100)+1
361
2n
10
91
-4,1,6,11...
2,4,6,8...
3(1)+1
2n-6
7
5n-9
2n-1
4
