显示1-1个结果(共1个)。
第页1
数字三角形A(n,k)的倒数=if(k<=n,if(n<=2k,1/(3n+1),0),0。
+0 1
1, 0, 4, 0, -4, 7, 0, 4, -7, 10, 0, 0, 0, -10, 13, 0, -4, 7, 0, -13, 16, 0, 0, 0, 0, 0, -16, 19, 0, 4, -7, 10, 0, 0, -19, 22, 0, 0, 0, 0, 0, 0, 0, -22, 25, 0, 0, 0, -10, 13, 0, 0, 0, -25, 28, 0, 0, 0, 0, 0, 0, 0, 0, 0, -28, 31, 0, -4, 7, 0, -13
例子
三角形开始
1;
0, 4;
0, -4, 7;
0, 4, -7, 10;
0, 0, 0, -10, 13;
0, -4, 7, 0, -13, 16;
0, 0, 0, 0, 0, -16, 19;
0, 4, -7, 10, 0, 0, -19, 22;
0, 0, 0, 0, 0, 0, 0, -22, 25;
0, 0, 0, -10, 13, 0, 0, 0, -25, 28;
0, 0, 0, 0, 0, 0, 0, 0, 0, -28, 31;
0, -4, 7, 0, -13, 16, 0, 0, 0, 0, -31, 34;
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -34, 37;
的倒数
1;
0, 1/4;
0, 1/7, 1/7;
0, 0, 1/10, 1/10;
0, 0, 1/13, 1/13, 1/13;
0, 0, 0, 1/16, 1/16, 1/16;
0, 0, 0, 1/19, 1/19, 1/19, 1/19;
0, 0, 0, 0, 1/22, 1/22, 1/22, 1/22;
0, 0, 0, 0, 1/25, 1/25, 1/25, 1/25, 1/25;
0, 0, 0, 0, 0, 1/28, 1/28, 1/28, 1/28, 1/28;
0, 0, 0, 0, 0, 1/31, 1/31, 1/31, 1/31, 1/31, 1/31;
搜索在0.004秒内完成
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