设 𝑎 𝑛 = 𝑛 2 − 53 𝑛 + 196 + ∣ 𝑛 2 − 53 𝑛 + 196 ∣ , 则 ∑ 𝑛 = 0 50 𝑎 𝑛 = ( ) Let 𝑎 𝑛 = 𝑛 2 − 53 𝑛 + 196 + ∣ 𝑛 2 − 53 𝑛 + 196 ∣ ,then ∑ 𝑛 = 0 50 𝑎 𝑛 = ( )单项选择题
A
526
B
1052
C
1578
D
2104
E
2630
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