Practice problem
We have periodic sequence: 1,3,5,7,9,1,3,5,7,9,...1,3,5,7,9,1,3,5,7,9,...1,3,5,7,9,1,3,5,7,9,... What is the 36th36^\text{th}36th element?
111
333
555
777
999
Type a concept, like “slope” or “photosynthesis”.
