\Bbb Z^3中所有等边三角形的刻画
A characterization of all equilateral triangles in \Bbb Z^3
摘要:
本文是作者前期工作的继续。本文将构造顶点为整数坐标的等边三角形的一个定理推广到一般情况。给出了$\{0,1,2,...,n\}^3$(A 102698)中所有带顶点的等边三角形序列ET(n)的一个近似外推公式,并分析了该序列的渐近性态.
英文摘要:
This paper is a continuation of previous work of the authors. We extend one of the theorems that gave a way to construct equilateral triangles whose vertices have integer coordinates to the general situation. An approximate extrapolation formula for the sequence ET(n) of all equilateral triangles with vertices in $\{0,1,2,...,n\}^3$ (A 102698) is given and the asymptotic behavior of this sequence is analyzed.
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