1,2,2,5,11(),44找规律
人气:322 ℃ 时间:2020-07-23 09:05:57
解答
答案:
1,2,2,5,11(22),44
理由:
1+2+2+0=5
2+2+5+2=11
2+5+11+4=22
5+11+22+6=44
A(n)表达式:
A(n)=A(n-1)+A(n-2)+A(n-3)+2*(n-3)
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