Question 195623
Sequence is *[Tex \LARGE a_{n}=2n+2]



Ex: n=3 ---> *[Tex \LARGE a_{3}=2(3)+2=6+2=8]



Series:


*[Tex \LARGE \displaystyle \sum_{i=1}^{61} 2i+2 = 2+4+6+8+\cdots+124]