22.若数列{an}\{a_{n}\}{an}的通项公式是an=(−1)n(3n−2){a}_{n}={(-1)}^{n}(3n-2)an=(−1)n(3n−2),则a1+a2+⋯+a2024=a_{1}+a_{2}+\dotsb +a_{2024}=a1+a2+⋯+a2024=[ 3036 ].