显示找到的2个结果中的1-2个。
第页1
使用此算法从n到0的步数:如果x是奇数,则为x->floor(r*x);如果x是偶数,则x->floor(x/r),其中r=sqrt(5)。
+10 三
2, 1, 3, 3, 7, 2, 12, 4, 6, 4, 6, 8, 12, 3, 11, 13, 15, 5, 7, 5, 7, 7, 11, 5, 9, 7, 9, 9, 11, 13, 17, 4, 10, 12, 14, 14, 16, 14, 18, 16, 24, 6, 8, 8, 10, 6, 10, 8, 16, 8, 10, 12, 14, 6, 8, 10, 16, 10, 14, 8, 10, 10, 12, 10, 14, 12, 18, 14, 16, 18, 20, 5, 9
例子
5->11->24->10->4->1->2->0,共7步,因此a(5)=7。
数学
r=平方[5];f[x_]:=如果[OddQ[x],楼层[r*x],楼板[x/r]]
g[x_]:=删除[FixedPointList[f,x],-1];
表[-1+长度[g[n]],{n,1,200}]
使用此算法从n到0的步数:如果x是奇数,则为x->floor(Pi*x);如果x是偶数,则是x->flower(x/Pi)。
+10 2
6, 1, 5, 7, 17, 7, 13, 2, 4, 6, 8, 6, 8, 8, 16, 18, 22, 18, 30, 8, 12, 14, 16, 14, 16, 3, 5, 3, 21, 5, 9, 7, 13, 7, 11, 9, 11, 7, 9, 7, 9, 9, 13, 9, 13, 9, 15, 17, 21, 17, 19, 19, 21, 23, 25, 23, 27, 19, 29, 31, 35, 31, 35, 9, 11, 13, 15, 13, 15, 15, 19, 15
例子
3->9->28->8->2->0,共5步,因此a(3)=5。
数学
r=Pi;f[x_]:=如果[OddQ[x],楼层[r*x],楼板[x/r]]
g[x_]:=删除[FixedPointList[f,x],-1];
表[-1+长度[g[n]],{n,1,200}]
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